18678505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 23284224

約数和(自身を除く): 4605719

約数列:

[1, 5, 47, 61, 235, 305, 1303, 2867, 6515, 14335, 61241, 79483, 306205, 397415, 3735701, 18678505]

約数ペア:

[(1, 18678505), (5, 3735701), (47, 397415), (61, 306205), (235, 79483), (305, 61241), (1303, 14335), (2867, 6515)]