19899922

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2687}}^1$

素因数の和:2742

約数の個数: 24

約数和(自身を含む): 35675136

約数和(自身を除く): 15775214

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2687, 3703, 5374, 7406, 18809, 37618, 61801, 123602, 432607, 865214, 1421423, 2842846, 9949961, 19899922]

約数ペア:

[(1, 19899922), (2, 9949961), (7, 2842846), (14, 1421423), (23, 865214), (46, 432607), (161, 123602), (322, 61801), (529, 37618), (1058, 18809), (2687, 7406), (3703, 5374)]