18953735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 24140160

約数和(自身を除く): 5186425

約数列:

[1, 5, 19, 95, 131, 655, 1523, 2489, 7615, 12445, 28937, 144685, 199513, 997565, 3790747, 18953735]

約数ペア:

[(1, 18953735), (5, 3790747), (19, 997565), (95, 199513), (131, 144685), (655, 28937), (1523, 12445), (2489, 7615)]