19914310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9011}}^1$

素因数の和:9048

約数の個数: 32

約数和(自身を含む): 40878432

約数和(自身を除く): 20964122

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9011, 18022, 45055, 90110, 117143, 153187, 234286, 306374, 585715, 765935, 1171430, 1531870, 1991431, 3982862, 9957155, 19914310]

約数ペア:

[(1, 19914310), (2, 9957155), (5, 3982862), (10, 1991431), (13, 1531870), (17, 1171430), (26, 765935), (34, 585715), (65, 306374), (85, 234286), (130, 153187), (170, 117143), (221, 90110), (442, 45055), (1105, 18022), (2210, 9011)]