19670860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89413}}^1$

素因数の和:89433

約数の個数: 24

約数和(自身を含む): 45064656

約数和(自身を除く): 25393796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89413, 178826, 357652, 447065, 894130, 983543, 1788260, 1967086, 3934172, 4917715, 9835430, 19670860]

約数ペア:

[(1, 19670860), (2, 9835430), (4, 4917715), (5, 3934172), (10, 1967086), (11, 1788260), (20, 983543), (22, 894130), (44, 447065), (55, 357652), (110, 178826), (220, 89413)]