18881336968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181551317}}^1$

素因数の和:181551336

約数の個数: 16

約数和(自身を含む): 38125776780

約数和(自身を除く): 19244439812

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181551317, 363102634, 726205268, 1452410536, 2360167121, 4720334242, 9440668484, 18881336968]

約数ペア:

[(1, 18881336968), (2, 9440668484), (4, 4720334242), (8, 2360167121), (13, 1452410536), (26, 726205268), (52, 363102634), (104, 181551317)]