18690815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26141}}^1$

素因数の和:26170

約数の個数: 16

約数和(自身を含む): 26351136

約数和(自身を除く): 7660321

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 26141, 130705, 287551, 339833, 1437755, 1699165, 3738163, 18690815]

約数ペア:

[(1, 18690815), (5, 3738163), (11, 1699165), (13, 1437755), (55, 339833), (65, 287551), (143, 130705), (715, 26141)]