18213865

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 4163735

約数列:

[1, 5, 73, 139, 359, 365, 695, 1795, 10147, 26207, 49901, 50735, 131035, 249505, 3642773, 18213865]

約数ペア:

[(1, 18213865), (5, 3642773), (73, 249505), (139, 131035), (359, 50735), (365, 49901), (695, 26207), (1795, 10147)]