18897818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8429}}^1$

素因数の和:8509

約数の個数: 16

約数和(自身を含む): 30348000

約数和(自身を除く): 11450182

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8429, 16858, 160151, 320302, 497311, 994622, 9448909, 18897818]

約数ペア:

[(1, 18897818), (2, 9448909), (19, 994622), (38, 497311), (59, 320302), (118, 160151), (1121, 16858), (2242, 8429)]