18795881156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{574657}}^1$

素因数の和:574728

約数の個数: 48

約数和(自身を含む): 38520475056

約数和(自身を除く): 19724593900

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 629, 884, 962, 1258, 1924, 2516, 8177, 16354, 32708, 574657, 1149314, 2298628, 7470541, 9769169, 14941082, 19538338, 21262309, 29882164, 39076676, 42524618, 85049236, 126999197, 253998394, 276410017, 361459253, 507996788, 552820034, 722918506, 1105640068, 1445837012, 4698970289, 9397940578, 18795881156]

約数ペア:

[(1, 18795881156), (2, 9397940578), (4, 4698970289), (13, 1445837012), (17, 1105640068), (26, 722918506), (34, 552820034), (37, 507996788), (52, 361459253), (68, 276410017), (74, 253998394), (148, 126999197), (221, 85049236), (442, 42524618), (481, 39076676), (629, 29882164), (884, 21262309), (962, 19538338), (1258, 14941082), (1924, 9769169), (2516, 7470541), (8177, 2298628), (16354, 1149314), (32708, 574657)]