18520345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 23581440

約数和(自身を除く): 5061095

約数列:

[1, 5, 19, 95, 137, 685, 1423, 2603, 7115, 13015, 27037, 135185, 194951, 974755, 3704069, 18520345]

約数ペア:

[(1, 18520345), (5, 3704069), (19, 974755), (95, 194951), (137, 135185), (685, 27037), (1423, 13015), (2603, 7115)]