18903802246

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9855997}}^1$

素因数の和:9856143

約数の個数: 16

約数和(自身を含む): 32643065376

約数和(自身を除く): 13739263130

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 9855997, 19711994, 68991979, 137983958, 1350271589, 2700543178, 9451901123, 18903802246]

約数ペア:

[(1, 18903802246), (2, 9451901123), (7, 2700543178), (14, 1350271589), (137, 137983958), (274, 68991979), (959, 19711994), (1918, 9855997)]