18500699

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 3970981

約数列:

[1, 7, 19, 113, 133, 791, 1231, 2147, 8617, 15029, 23389, 139103, 163723, 973721, 2642957, 18500699]

約数ペア:

[(1, 18500699), (7, 2642957), (19, 973721), (113, 163723), (133, 139103), (791, 23389), (1231, 15029), (2147, 8617)]