20183500975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{203309}}^1$

素因数の和:203368

約数の個数: 36

約数和(自身を含む): 28815532920

約数和(自身を除く): 8632031945

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1805, 3971, 5225, 9025, 19855, 99275, 203309, 1016545, 2236399, 3862871, 5082725, 11181995, 19314355, 42491581, 55909975, 73394549, 96571775, 212457905, 366972745, 807340039, 1062289525, 1834863725, 4036700195, 20183500975]

約数ペア:

[(1, 20183500975), (5, 4036700195), (11, 1834863725), (19, 1062289525), (25, 807340039), (55, 366972745), (95, 212457905), (209, 96571775), (275, 73394549), (361, 55909975), (475, 42491581), (1045, 19314355), (1805, 11181995), (3971, 5082725), (5225, 3862871), (9025, 2236399), (19855, 1016545), (99275, 203309)]