18119920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 54996480

約数和(自身を除く): 36876560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 131, 133, 140, 152, 182, 190, 208, 247, 260, 262, 266, 280, 304, 364, 380, 455, 494, 520, 524, 532, 560, 655, 665, 728, 760, 910, 917, 988, 1040, 1048, 1064, 1235, 1310, 1330, 1456, 1520, 1703, 1729, 1820, 1834, 1976, 2096, 2128, 2470, 2489, 2620, 2660, 3406, 3458, 3640, 3668, 3952, 4585, 4940, 4978, 5240, 5320, 6812, 6916, 7280, 7336, 8515, 8645, 9170, 9880, 9956, 10480, 10640, 11921, 12445, 13624, 13832, 14672, 17030, 17290, 17423, 18340, 19760, 19912, 23842, 24890, 27248, 27664, 32357, 34060, 34580, 34846, 36680, 39824, 47684, 49780, 59605, 64714, 68120, 69160, 69692, 73360, 87115, 95368, 99560, 119210, 129428, 136240, 138320, 139384, 161785, 174230, 190736, 199120, 226499, 238420, 258856, 278768, 323570, 348460, 452998, 476840, 517712, 647140, 696920, 905996, 953680, 1132495, 1294280, 1393840, 1811992, 2264990, 2588560, 3623984, 4529980, 9059960, 18119920]

約数ペア:

[(1, 18119920), (2, 9059960), (4, 4529980), (5, 3623984), (7, 2588560), (8, 2264990), (10, 1811992), (13, 1393840), (14, 1294280), (16, 1132495), (19, 953680), (20, 905996), (26, 696920), (28, 647140), (35, 517712), (38, 476840), (40, 452998), (52, 348460), (56, 323570), (65, 278768), (70, 258856), (76, 238420), (80, 226499), (91, 199120), (95, 190736), (104, 174230), (112, 161785), (130, 139384), (131, 138320), (133, 136240), (140, 129428), (152, 119210), (182, 99560), (190, 95368), (208, 87115), (247, 73360), (260, 69692), (262, 69160), (266, 68120), (280, 64714), (304, 59605), (364, 49780), (380, 47684), (455, 39824), (494, 36680), (520, 34846), (524, 34580), (532, 34060), (560, 32357), (655, 27664), (665, 27248), (728, 24890), (760, 23842), (910, 19912), (917, 19760), (988, 18340), (1040, 17423), (1048, 17290), (1064, 17030), (1235, 14672), (1310, 13832), (1330, 13624), (1456, 12445), (1520, 11921), (1703, 10640), (1729, 10480), (1820, 9956), (1834, 9880), (1976, 9170), (2096, 8645), (2128, 8515), (2470, 7336), (2489, 7280), (2620, 6916), (2660, 6812), (3406, 5320), (3458, 5240), (3640, 4978), (3668, 4940), (3952, 4585)]