18959518

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2147

約数の個数: 16

約数和(自身を含む): 29346624

約数和(自身を除く): 10387106

約数列:

[1, 2, 47, 94, 101, 202, 1997, 3994, 4747, 9494, 93859, 187718, 201697, 403394, 9479759, 18959518]

約数ペア:

[(1, 18959518), (2, 9479759), (47, 403394), (94, 201697), (101, 187718), (202, 93859), (1997, 9494), (3994, 4747)]