19866873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{773}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8740167

約数列:

[1, 3, 13, 39, 659, 773, 1977, 2319, 8567, 10049, 25701, 30147, 509407, 1528221, 6622291, 19866873]

約数ペア:

[(1, 19866873), (3, 6622291), (13, 1528221), (39, 509407), (659, 30147), (773, 25701), (1977, 10049), (2319, 8567)]