18865659

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2114

約数の個数: 16

約数和(自身を含む): 26085888

約数和(自身を除く): 7220229

約数列:

[1, 3, 47, 67, 141, 201, 1997, 3149, 5991, 9447, 93859, 133799, 281577, 401397, 6288553, 18865659]

約数ペア:

[(1, 18865659), (3, 6288553), (47, 401397), (67, 281577), (141, 133799), (201, 93859), (1997, 9447), (3149, 5991)]