19125967

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 3517745

約数列:

[1, 7, 41, 103, 287, 647, 721, 4223, 4529, 26527, 29561, 66641, 185689, 466487, 2732281, 19125967]

約数ペア:

[(1, 19125967), (7, 2732281), (41, 466487), (103, 185689), (287, 66641), (647, 29561), (721, 26527), (4223, 4529)]