18900825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{10957}}^1$

素因数の和:10993

約数の個数: 24

約数和(自身を含む): 32611008

約数和(自身を除く): 13710183

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 10957, 32871, 54785, 164355, 252011, 273925, 756033, 821775, 1260055, 3780165, 6300275, 18900825]

約数ペア:

[(1, 18900825), (3, 6300275), (5, 3780165), (15, 1260055), (23, 821775), (25, 756033), (69, 273925), (75, 252011), (115, 164355), (345, 54785), (575, 32871), (1725, 10957)]