18495620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28920700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 223, 260, 286, 290, 319, 377, 446, 572, 580, 638, 715, 754, 892, 1115, 1276, 1430, 1508, 1595, 1885, 2230, 2453, 2860, 2899, 3190, 3770, 4147, 4460, 4906, 5798, 6380, 6467, 7540, 8294, 9812, 11596, 12265, 12934, 14495, 16588, 20735, 24530, 25868, 28990, 31889, 32335, 41470, 49060, 57980, 63778, 64670, 71137, 82940, 84071, 127556, 129340, 142274, 159445, 168142, 284548, 318890, 336284, 355685, 420355, 637780, 711370, 840710, 924781, 1422740, 1681420, 1849562, 3699124, 4623905, 9247810, 18495620]

約数ペア:

[(1, 18495620), (2, 9247810), (4, 4623905), (5, 3699124), (10, 1849562), (11, 1681420), (13, 1422740), (20, 924781), (22, 840710), (26, 711370), (29, 637780), (44, 420355), (52, 355685), (55, 336284), (58, 318890), (65, 284548), (110, 168142), (116, 159445), (130, 142274), (143, 129340), (145, 127556), (220, 84071), (223, 82940), (260, 71137), (286, 64670), (290, 63778), (319, 57980), (377, 49060), (446, 41470), (572, 32335), (580, 31889), (638, 28990), (715, 25868), (754, 24530), (892, 20735), (1115, 16588), (1276, 14495), (1430, 12934), (1508, 12265), (1595, 11596), (1885, 9812), (2230, 8294), (2453, 7540), (2860, 6467), (2899, 6380), (3190, 5798), (3770, 4906), (4147, 4460)]