19949160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 79626240

約数和(自身を除く): 59677080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 127, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 254, 255, 264, 280, 308, 330, 340, 357, 374, 381, 385, 408, 420, 440, 462, 476, 508, 510, 561, 595, 616, 635, 660, 680, 714, 748, 762, 770, 840, 889, 924, 935, 952, 1016, 1020, 1122, 1155, 1190, 1270, 1309, 1320, 1397, 1428, 1496, 1524, 1540, 1778, 1785, 1848, 1870, 1905, 2040, 2159, 2244, 2310, 2380, 2540, 2618, 2667, 2794, 2805, 2856, 3048, 3080, 3556, 3570, 3740, 3810, 3927, 4191, 4318, 4445, 4488, 4620, 4760, 5080, 5236, 5334, 5588, 5610, 6477, 6545, 6985, 7112, 7140, 7480, 7620, 7854, 8382, 8636, 8890, 9240, 9779, 10472, 10668, 10795, 11176, 11220, 12954, 13090, 13335, 13970, 14280, 15113, 15240, 15708, 16764, 17272, 17780, 19558, 19635, 20955, 21336, 21590, 22440, 23749, 25908, 26180, 26670, 27940, 29337, 30226, 31416, 32385, 33528, 35560, 39116, 39270, 41910, 43180, 45339, 47498, 48895, 51816, 52360, 53340, 55880, 58674, 60452, 64770, 71247, 75565, 78232, 78540, 83820, 86360, 90678, 94996, 97790, 106680, 117348, 118745, 120904, 129540, 142494, 146685, 151130, 157080, 166243, 167640, 181356, 189992, 195580, 226695, 234696, 237490, 259080, 284988, 293370, 302260, 332486, 356235, 362712, 391160, 453390, 474980, 498729, 569976, 586740, 604520, 664972, 712470, 831215, 906780, 949960, 997458, 1173480, 1329944, 1424940, 1662430, 1813560, 1994916, 2493645, 2849880, 3324860, 3989832, 4987290, 6649720, 9974580, 19949160]

約数ペア:

[(1, 19949160), (2, 9974580), (3, 6649720), (4, 4987290), (5, 3989832), (6, 3324860), (7, 2849880), (8, 2493645), (10, 1994916), (11, 1813560), (12, 1662430), (14, 1424940), (15, 1329944), (17, 1173480), (20, 997458), (21, 949960), (22, 906780), (24, 831215), (28, 712470), (30, 664972), (33, 604520), (34, 586740), (35, 569976), (40, 498729), (42, 474980), (44, 453390), (51, 391160), (55, 362712), (56, 356235), (60, 332486), (66, 302260), (68, 293370), (70, 284988), (77, 259080), (84, 237490), (85, 234696), (88, 226695), (102, 195580), (105, 189992), (110, 181356), (119, 167640), (120, 166243), (127, 157080), (132, 151130), (136, 146685), (140, 142494), (154, 129540), (165, 120904), (168, 118745), (170, 117348), (187, 106680), (204, 97790), (210, 94996), (220, 90678), (231, 86360), (238, 83820), (254, 78540), (255, 78232), (264, 75565), (280, 71247), (308, 64770), (330, 60452), (340, 58674), (357, 55880), (374, 53340), (381, 52360), (385, 51816), (408, 48895), (420, 47498), (440, 45339), (462, 43180), (476, 41910), (508, 39270), (510, 39116), (561, 35560), (595, 33528), (616, 32385), (635, 31416), (660, 30226), (680, 29337), (714, 27940), (748, 26670), (762, 26180), (770, 25908), (840, 23749), (889, 22440), (924, 21590), (935, 21336), (952, 20955), (1016, 19635), (1020, 19558), (1122, 17780), (1155, 17272), (1190, 16764), (1270, 15708), (1309, 15240), (1320, 15113), (1397, 14280), (1428, 13970), (1496, 13335), (1524, 13090), (1540, 12954), (1778, 11220), (1785, 11176), (1848, 10795), (1870, 10668), (1905, 10472), (2040, 9779), (2159, 9240), (2244, 8890), (2310, 8636), (2380, 8382), (2540, 7854), (2618, 7620), (2667, 7480), (2794, 7140), (2805, 7112), (2856, 6985), (3048, 6545), (3080, 6477), (3556, 5610), (3570, 5588), (3740, 5334), (3810, 5236), (3927, 5080), (4191, 4760), (4318, 4620), (4445, 4488)]