2019197620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9178171}}^1$

素因数の和:9178191

約数の個数: 24

約数和(自身を含む): 4625798688

約数和(自身を除く): 2606601068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9178171, 18356342, 36712684, 45890855, 91781710, 100959881, 183563420, 201919762, 403839524, 504799405, 1009598810, 2019197620]

約数ペア:

[(1, 2019197620), (2, 1009598810), (4, 504799405), (5, 403839524), (10, 201919762), (11, 183563420), (20, 100959881), (22, 91781710), (44, 45890855), (55, 36712684), (110, 18356342), (220, 9178171)]