18984898

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1641

約数の個数: 16

約数和(自身を含む): 29312640

約数和(自身を除く): 10327742

約数列:

[1, 2, 47, 94, 139, 278, 1453, 2906, 6533, 13066, 68291, 136582, 201967, 403934, 9492449, 18984898]

約数ペア:

[(1, 18984898), (2, 9492449), (47, 403934), (94, 201967), (139, 136582), (278, 68291), (1453, 13066), (2906, 6533)]