18386770

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13421}}^1$

素因数の和:13565

約数の個数: 16

約数和(自身を含む): 33340248

約数和(自身を除く): 14953478

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 13421, 26842, 67105, 134210, 1838677, 3677354, 9193385, 18386770]

約数ペア:

[(1, 18386770), (2, 9193385), (5, 3677354), (10, 1838677), (137, 134210), (274, 67105), (685, 26842), (1370, 13421)]