19954297

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 22671360

約数和(自身を除く): 2717063

約数列:

[1, 11, 31, 163, 341, 359, 1793, 3949, 5053, 11129, 55583, 58517, 122419, 643687, 1814027, 19954297]

約数ペア:

[(1, 19954297), (11, 1814027), (31, 643687), (163, 122419), (341, 58517), (359, 55583), (1793, 11129), (3949, 5053)]