18310747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 4332965

約数列:

[1, 7, 13, 91, 311, 647, 2177, 4043, 4529, 8411, 28301, 58877, 201217, 1408519, 2615821, 18310747]

約数ペア:

[(1, 18310747), (7, 2615821), (13, 1408519), (91, 201217), (311, 58877), (647, 28301), (2177, 8411), (4043, 4529)]