19959932

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 35778960

約数和(自身を除く): 15819028

約数列:

[1, 2, 4, 61, 122, 179, 244, 358, 457, 716, 914, 1828, 10919, 21838, 27877, 43676, 55754, 81803, 111508, 163606, 327212, 4989983, 9979966, 19959932]

約数ペア:

[(1, 19959932), (2, 9979966), (4, 4989983), (61, 327212), (122, 163606), (179, 111508), (244, 81803), (358, 55754), (457, 43676), (716, 27877), (914, 21838), (1828, 10919)]