19938864075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20450117}}^1$

素因数の和:20450143

約数の個数: 24

約数和(自身を含む): 35501404848

約数和(自身を除く): 15562540773

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20450117, 61350351, 102250585, 265851521, 306751755, 511252925, 797554563, 1329257605, 1533758775, 3987772815, 6646288025, 19938864075]

約数ペア:

[(1, 19938864075), (3, 6646288025), (5, 3987772815), (13, 1533758775), (15, 1329257605), (25, 797554563), (39, 511252925), (65, 306751755), (75, 265851521), (195, 102250585), (325, 61350351), (975, 20450117)]