19518788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7001}}^1$

素因数の和:7063

約数の個数: 24

約数和(自身を含む): 37054584

約数和(自身を除く): 17535796

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7001, 14002, 28004, 119017, 238034, 287041, 476068, 574082, 1148164, 4879697, 9759394, 19518788]

約数ペア:

[(1, 19518788), (2, 9759394), (4, 4879697), (17, 1148164), (34, 574082), (41, 476068), (68, 287041), (82, 238034), (164, 119017), (697, 28004), (1394, 14002), (2788, 7001)]