19991206

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 10698074

約数列:

[1, 2, 59, 118, 191, 382, 887, 1774, 11269, 22538, 52333, 104666, 169417, 338834, 9995603, 19991206]

約数ペア:

[(1, 19991206), (2, 9995603), (59, 338834), (118, 169417), (191, 104666), (382, 52333), (887, 22538), (1774, 11269)]