17980985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19231}}^1$

素因数の和:19264

約数の個数: 16

約数和(自身を含む): 24924672

約数和(自身を除く): 6943687

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 19231, 96155, 211541, 326927, 1057705, 1634635, 3596197, 17980985]

約数ペア:

[(1, 17980985), (5, 3596197), (11, 1634635), (17, 1057705), (55, 326927), (85, 211541), (187, 96155), (935, 19231)]