19521879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6857}}^1$

素因数の和:6946

約数の個数: 16

約数和(自身を含む): 28419552

約数和(自身を除く): 8897673

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6857, 20571, 89141, 267423, 500561, 1501683, 6507293, 19521879]

約数ペア:

[(1, 19521879), (3, 6507293), (13, 1501683), (39, 500561), (73, 267423), (219, 89141), (949, 20571), (2847, 6857)]