18672745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41039}}^1$

素因数の和:41064

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 8906135

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 41039, 205195, 287273, 533507, 1436365, 2667535, 3734549, 18672745]

約数ペア:

[(1, 18672745), (5, 3734549), (7, 2667535), (13, 1436365), (35, 533507), (65, 287273), (91, 205195), (455, 41039)]