8718059620

素因数分解:

$2^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{218717}}^1$

素因数の和:220719

約数の個数: 24

約数和(自身を含む): 18317195064

約数和(自身を除く): 9599135444

約数列:

[1, 2, 4, 5, 10, 20, 1993, 3986, 7972, 9965, 19930, 39860, 218717, 437434, 874868, 1093585, 2187170, 4374340, 435902981, 871805962, 1743611924, 2179514905, 4359029810, 8718059620]

約数ペア:

[(1, 8718059620), (2, 4359029810), (4, 2179514905), (5, 1743611924), (10, 871805962), (20, 435902981), (1993, 4374340), (3986, 2187170), (7972, 1093585), (9965, 874868), (19930, 437434), (39860, 218717)]