18450025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2917}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 26051904

約数和(自身を除く): 7601879

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 2917, 6325, 14585, 32087, 67091, 72925, 160435, 335455, 738001, 802175, 1677275, 3690005, 18450025]

約数ペア:

[(1, 18450025), (5, 3690005), (11, 1677275), (23, 802175), (25, 738001), (55, 335455), (115, 160435), (253, 72925), (275, 67091), (575, 32087), (1265, 14585), (2917, 6325)]