18720292

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 33384960

約数和(自身を除く): 14664668

約数列:

[1, 2, 4, 107, 191, 214, 229, 382, 428, 458, 764, 916, 20437, 24503, 40874, 43739, 49006, 81748, 87478, 98012, 174956, 4680073, 9360146, 18720292]

約数ペア:

[(1, 18720292), (2, 9360146), (4, 4680073), (107, 174956), (191, 98012), (214, 87478), (229, 81748), (382, 49006), (428, 43739), (458, 40874), (764, 24503), (916, 20437)]