18752237

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 21902592

約数和(自身を除く): 3150355

約数列:

[1, 7, 113, 151, 157, 791, 1057, 1099, 17063, 17741, 23707, 119441, 124187, 165949, 2678891, 18752237]

約数ペア:

[(1, 18752237), (7, 2678891), (113, 165949), (151, 124187), (157, 119441), (791, 23707), (1057, 17741), (1099, 17063)]