19399380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 384

約数和(自身を含む): 81285120

約数和(自身を除く): 61885740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 19, 20, 21, 22, 26, 28, 30, 33, 34, 35, 38, 39, 42, 44, 51, 52, 55, 57, 60, 65, 66, 68, 70, 76, 77, 78, 84, 85, 91, 95, 102, 105, 110, 114, 119, 130, 132, 133, 140, 143, 154, 156, 165, 170, 182, 187, 190, 195, 204, 209, 210, 220, 221, 228, 231, 238, 247, 255, 260, 266, 273, 285, 286, 308, 323, 330, 340, 357, 364, 374, 380, 385, 390, 399, 418, 420, 429, 442, 455, 462, 476, 494, 510, 532, 546, 561, 570, 572, 595, 627, 646, 660, 663, 665, 714, 715, 741, 748, 770, 780, 798, 836, 858, 884, 910, 924, 935, 969, 988, 1001, 1020, 1045, 1092, 1105, 1122, 1140, 1155, 1190, 1235, 1254, 1292, 1309, 1326, 1330, 1365, 1428, 1430, 1463, 1482, 1540, 1547, 1596, 1615, 1716, 1729, 1785, 1820, 1870, 1938, 1995, 2002, 2090, 2145, 2210, 2244, 2261, 2310, 2380, 2431, 2470, 2508, 2618, 2652, 2660, 2717, 2730, 2805, 2860, 2926, 2964, 3003, 3094, 3135, 3230, 3315, 3458, 3553, 3570, 3705, 3740, 3876, 3927, 3990, 4004, 4180, 4199, 4290, 4389, 4420, 4522, 4620, 4641, 4845, 4862, 4940, 5005, 5187, 5236, 5434, 5460, 5610, 5852, 6006, 6188, 6270, 6460, 6545, 6630, 6783, 6916, 7106, 7140, 7293, 7315, 7410, 7735, 7854, 7980, 8151, 8398, 8580, 8645, 8778, 9044, 9282, 9690, 9724, 10010, 10374, 10659, 10868, 11220, 11305, 12012, 12155, 12540, 12597, 13090, 13260, 13566, 13585, 14212, 14586, 14630, 14820, 15015, 15470, 15708, 16302, 16796, 17017, 17290, 17556, 17765, 18564, 19019, 19380, 19635, 20020, 20748, 20995, 21318, 21945, 22610, 23205, 24310, 24871, 25194, 25935, 26180, 27132, 27170, 29172, 29260, 29393, 30030, 30940, 32604, 33915, 34034, 34580, 35530, 36465, 38038, 39270, 40755, 41990, 42636, 43890, 45220, 46189, 46410, 48620, 49742, 50388, 51051, 51870, 53295, 54340, 57057, 58786, 60060, 62985, 67830, 68068, 71060, 72930, 74613, 76076, 78540, 81510, 83980, 85085, 87780, 88179, 92378, 92820, 95095, 99484, 102102, 103740, 106590, 114114, 117572, 124355, 125970, 135660, 138567, 145860, 146965, 149226, 163020, 170170, 176358, 184756, 190190, 204204, 213180, 228228, 230945, 248710, 251940, 255255, 277134, 285285, 293930, 298452, 323323, 340340, 352716, 373065, 380380, 440895, 461890, 497420, 510510, 554268, 570570, 587860, 646646, 692835, 746130, 881790, 923780, 969969, 1021020, 1141140, 1293292, 1385670, 1492260, 1616615, 1763580, 1939938, 2771340, 3233230, 3879876, 4849845, 6466460, 9699690, 19399380]

約数ペア:

[(1, 19399380), (2, 9699690), (3, 6466460), (4, 4849845), (5, 3879876), (6, 3233230), (7, 2771340), (10, 1939938), (11, 1763580), (12, 1616615), (13, 1492260), (14, 1385670), (15, 1293292), (17, 1141140), (19, 1021020), (20, 969969), (21, 923780), (22, 881790), (26, 746130), (28, 692835), (30, 646646), (33, 587860), (34, 570570), (35, 554268), (38, 510510), (39, 497420), (42, 461890), (44, 440895), (51, 380380), (52, 373065), (55, 352716), (57, 340340), (60, 323323), (65, 298452), (66, 293930), (68, 285285), (70, 277134), (76, 255255), (77, 251940), (78, 248710), (84, 230945), (85, 228228), (91, 213180), (95, 204204), (102, 190190), (105, 184756), (110, 176358), (114, 170170), (119, 163020), (130, 149226), (132, 146965), (133, 145860), (140, 138567), (143, 135660), (154, 125970), (156, 124355), (165, 117572), (170, 114114), (182, 106590), (187, 103740), (190, 102102), (195, 99484), (204, 95095), (209, 92820), (210, 92378), (220, 88179), (221, 87780), (228, 85085), (231, 83980), (238, 81510), (247, 78540), (255, 76076), (260, 74613), (266, 72930), (273, 71060), (285, 68068), (286, 67830), (308, 62985), (323, 60060), (330, 58786), (340, 57057), (357, 54340), (364, 53295), (374, 51870), (380, 51051), (385, 50388), (390, 49742), (399, 48620), (418, 46410), (420, 46189), (429, 45220), (442, 43890), (455, 42636), (462, 41990), (476, 40755), (494, 39270), (510, 38038), (532, 36465), (546, 35530), (561, 34580), (570, 34034), (572, 33915), (595, 32604), (627, 30940), (646, 30030), (660, 29393), (663, 29260), (665, 29172), (714, 27170), (715, 27132), (741, 26180), (748, 25935), (770, 25194), (780, 24871), (798, 24310), (836, 23205), (858, 22610), (884, 21945), (910, 21318), (924, 20995), (935, 20748), (969, 20020), (988, 19635), (1001, 19380), (1020, 19019), (1045, 18564), (1092, 17765), (1105, 17556), (1122, 17290), (1140, 17017), (1155, 16796), (1190, 16302), (1235, 15708), (1254, 15470), (1292, 15015), (1309, 14820), (1326, 14630), (1330, 14586), (1365, 14212), (1428, 13585), (1430, 13566), (1463, 13260), (1482, 13090), (1540, 12597), (1547, 12540), (1596, 12155), (1615, 12012), (1716, 11305), (1729, 11220), (1785, 10868), (1820, 10659), (1870, 10374), (1938, 10010), (1995, 9724), (2002, 9690), (2090, 9282), (2145, 9044), (2210, 8778), (2244, 8645), (2261, 8580), (2310, 8398), (2380, 8151), (2431, 7980), (2470, 7854), (2508, 7735), (2618, 7410), (2652, 7315), (2660, 7293), (2717, 7140), (2730, 7106), (2805, 6916), (2860, 6783), (2926, 6630), (2964, 6545), (3003, 6460), (3094, 6270), (3135, 6188), (3230, 6006), (3315, 5852), (3458, 5610), (3553, 5460), (3570, 5434), (3705, 5236), (3740, 5187), (3876, 5005), (3927, 4940), (3990, 4862), (4004, 4845), (4180, 4641), (4199, 4620), (4290, 4522), (4389, 4420)]