18993233

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{151}}^2$

素因数の和:333

約数の個数: 18

約数和(自身を含む): 23549778

約数和(自身を除く): 4556545

約数列:

[1, 7, 17, 49, 119, 151, 833, 1057, 2567, 7399, 17969, 22801, 125783, 159607, 387617, 1117249, 2713319, 18993233]

約数ペア:

[(1, 18993233), (7, 2713319), (17, 1117249), (49, 387617), (119, 159607), (151, 125783), (833, 22801), (1057, 17969), (2567, 7399)]