18862105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 23698944

約数和(自身を除く): 4836839

約数列:

[1, 5, 31, 73, 155, 365, 1667, 2263, 8335, 11315, 51677, 121691, 258385, 608455, 3772421, 18862105]

約数ペア:

[(1, 18862105), (5, 3772421), (31, 608455), (73, 258385), (155, 121691), (365, 51677), (1667, 11315), (2263, 8335)]