18292261

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 2029019

約数列:

[1, 13, 53, 139, 191, 689, 1807, 2483, 7367, 10123, 26549, 95771, 131599, 345137, 1407097, 18292261]

約数ペア:

[(1, 18292261), (13, 1407097), (53, 345137), (139, 131599), (191, 95771), (689, 26549), (1807, 10123), (2483, 7367)]