18547882

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 28284480

約数和(自身を除く): 9736598

約数列:

[1, 2, 137, 139, 274, 278, 487, 974, 19043, 38086, 66719, 67693, 133438, 135386, 9273941, 18547882]

約数ペア:

[(1, 18547882), (2, 9273941), (137, 135386), (139, 133438), (274, 67693), (278, 66719), (487, 38086), (974, 19043)]