19345359

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 28632240

約数和(自身を除く): 9286881

約数列:

[1, 3, 11, 33, 121, 137, 363, 389, 411, 1167, 1507, 4279, 4521, 12837, 16577, 47069, 49731, 53293, 141207, 159879, 586223, 1758669, 6448453, 19345359]

約数ペア:

[(1, 19345359), (3, 6448453), (11, 1758669), (33, 586223), (121, 159879), (137, 141207), (363, 53293), (389, 49731), (411, 47069), (1167, 16577), (1507, 12837), (4279, 4521)]