18785910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36371850

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 29, 30, 33, 39, 55, 58, 65, 66, 78, 87, 110, 130, 143, 145, 151, 165, 174, 195, 286, 290, 302, 319, 330, 377, 390, 429, 435, 453, 638, 715, 754, 755, 858, 870, 906, 957, 1131, 1430, 1510, 1595, 1661, 1885, 1914, 1963, 2145, 2262, 2265, 3190, 3322, 3770, 3926, 4147, 4290, 4379, 4530, 4785, 4983, 5655, 5889, 8294, 8305, 8758, 9570, 9815, 9966, 11310, 11778, 12441, 13137, 16610, 19630, 20735, 21593, 21895, 24882, 24915, 26274, 29445, 41470, 43186, 43790, 48169, 49830, 56927, 58890, 62205, 64779, 65685, 96338, 107965, 113854, 124410, 129558, 131370, 144507, 170781, 215930, 240845, 284635, 289014, 323895, 341562, 481690, 569270, 626197, 647790, 722535, 853905, 1252394, 1445070, 1707810, 1878591, 3130985, 3757182, 6261970, 9392955, 18785910]

約数ペア:

[(1, 18785910), (2, 9392955), (3, 6261970), (5, 3757182), (6, 3130985), (10, 1878591), (11, 1707810), (13, 1445070), (15, 1252394), (22, 853905), (26, 722535), (29, 647790), (30, 626197), (33, 569270), (39, 481690), (55, 341562), (58, 323895), (65, 289014), (66, 284635), (78, 240845), (87, 215930), (110, 170781), (130, 144507), (143, 131370), (145, 129558), (151, 124410), (165, 113854), (174, 107965), (195, 96338), (286, 65685), (290, 64779), (302, 62205), (319, 58890), (330, 56927), (377, 49830), (390, 48169), (429, 43790), (435, 43186), (453, 41470), (638, 29445), (715, 26274), (754, 24915), (755, 24882), (858, 21895), (870, 21593), (906, 20735), (957, 19630), (1131, 16610), (1430, 13137), (1510, 12441), (1595, 11778), (1661, 11310), (1885, 9966), (1914, 9815), (1963, 9570), (2145, 8758), (2262, 8305), (2265, 8294), (3190, 5889), (3322, 5655), (3770, 4983), (3926, 4785), (4147, 4530), (4290, 4379)]