18975962

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:653

約数の個数: 16

約数和(自身を含む): 28879872

約数和(自身を除く): 9903910

約数列:

[1, 2, 157, 223, 271, 314, 446, 542, 35011, 42547, 60433, 70022, 85094, 120866, 9487981, 18975962]

約数ペア:

[(1, 18975962), (2, 9487981), (157, 120866), (223, 85094), (271, 70022), (314, 60433), (446, 42547), (542, 35011)]