18759840

素因数分解:

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

素因数の和:76

約数の個数: 288

約数和(自身を含む): 72394560

約数和(自身を除く): 53634720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 19, 20, 22, 24, 30, 32, 33, 34, 38, 40, 44, 48, 51, 55, 57, 60, 66, 68, 76, 80, 85, 88, 95, 96, 102, 110, 114, 120, 121, 132, 136, 152, 160, 165, 170, 176, 187, 190, 204, 209, 220, 228, 240, 242, 255, 264, 272, 285, 304, 323, 330, 340, 352, 363, 374, 380, 408, 418, 440, 456, 480, 484, 510, 528, 544, 561, 570, 605, 608, 627, 646, 660, 680, 726, 748, 760, 816, 836, 880, 912, 935, 968, 969, 1020, 1045, 1056, 1122, 1140, 1210, 1254, 1292, 1320, 1360, 1452, 1496, 1520, 1615, 1632, 1672, 1760, 1815, 1824, 1870, 1936, 1938, 2040, 2057, 2090, 2244, 2280, 2299, 2420, 2508, 2584, 2640, 2720, 2805, 2904, 2992, 3040, 3135, 3230, 3344, 3553, 3630, 3740, 3872, 3876, 4080, 4114, 4180, 4488, 4560, 4598, 4840, 4845, 5016, 5168, 5280, 5610, 5808, 5984, 6171, 6270, 6460, 6688, 6897, 7106, 7260, 7480, 7752, 8160, 8228, 8360, 8976, 9120, 9196, 9680, 9690, 10032, 10285, 10336, 10659, 11220, 11495, 11616, 12342, 12540, 12920, 13794, 14212, 14520, 14960, 15504, 16456, 16720, 17765, 17952, 18392, 19360, 19380, 20064, 20570, 21318, 22440, 22990, 24684, 25080, 25840, 27588, 28424, 29040, 29920, 30855, 31008, 32912, 33440, 34485, 35530, 36784, 38760, 39083, 41140, 42636, 44880, 45980, 49368, 50160, 51680, 53295, 55176, 56848, 58080, 61710, 65824, 68970, 71060, 73568, 77520, 78166, 82280, 85272, 89760, 91960, 98736, 100320, 106590, 110352, 113696, 117249, 123420, 137940, 142120, 155040, 156332, 164560, 170544, 183920, 195415, 197472, 213180, 220704, 234498, 246840, 275880, 284240, 312664, 329120, 341088, 367840, 390830, 426360, 468996, 493680, 551760, 568480, 586245, 625328, 781660, 852720, 937992, 987360, 1103520, 1172490, 1250656, 1563320, 1705440, 1875984, 2344980, 3126640, 3751968, 4689960, 6253280, 9379920, 18759840]

約数ペア:

[(1, 18759840), (2, 9379920), (3, 6253280), (4, 4689960), (5, 3751968), (6, 3126640), (8, 2344980), (10, 1875984), (11, 1705440), (12, 1563320), (15, 1250656), (16, 1172490), (17, 1103520), (19, 987360), (20, 937992), (22, 852720), (24, 781660), (30, 625328), (32, 586245), (33, 568480), (34, 551760), (38, 493680), (40, 468996), (44, 426360), (48, 390830), (51, 367840), (55, 341088), (57, 329120), (60, 312664), (66, 284240), (68, 275880), (76, 246840), (80, 234498), (85, 220704), (88, 213180), (95, 197472), (96, 195415), (102, 183920), (110, 170544), (114, 164560), (120, 156332), (121, 155040), (132, 142120), (136, 137940), (152, 123420), (160, 117249), (165, 113696), (170, 110352), (176, 106590), (187, 100320), (190, 98736), (204, 91960), (209, 89760), (220, 85272), (228, 82280), (240, 78166), (242, 77520), (255, 73568), (264, 71060), (272, 68970), (285, 65824), (304, 61710), (323, 58080), (330, 56848), (340, 55176), (352, 53295), (363, 51680), (374, 50160), (380, 49368), (408, 45980), (418, 44880), (440, 42636), (456, 41140), (480, 39083), (484, 38760), (510, 36784), (528, 35530), (544, 34485), (561, 33440), (570, 32912), (605, 31008), (608, 30855), (627, 29920), (646, 29040), (660, 28424), (680, 27588), (726, 25840), (748, 25080), (760, 24684), (816, 22990), (836, 22440), (880, 21318), (912, 20570), (935, 20064), (968, 19380), (969, 19360), (1020, 18392), (1045, 17952), (1056, 17765), (1122, 16720), (1140, 16456), (1210, 15504), (1254, 14960), (1292, 14520), (1320, 14212), (1360, 13794), (1452, 12920), (1496, 12540), (1520, 12342), (1615, 11616), (1632, 11495), (1672, 11220), (1760, 10659), (1815, 10336), (1824, 10285), (1870, 10032), (1936, 9690), (1938, 9680), (2040, 9196), (2057, 9120), (2090, 8976), (2244, 8360), (2280, 8228), (2299, 8160), (2420, 7752), (2508, 7480), (2584, 7260), (2640, 7106), (2720, 6897), (2805, 6688), (2904, 6460), (2992, 6270), (3040, 6171), (3135, 5984), (3230, 5808), (3344, 5610), (3553, 5280), (3630, 5168), (3740, 5016), (3872, 4845), (3876, 4840), (4080, 4598), (4114, 4560), (4180, 4488)]