18381904

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{1697}}^1$

素因数の和:2382

約数の個数: 20

約数和(自身を含む): 35688564

約数和(自身を除く): 17306660

約数列:

[1, 2, 4, 8, 16, 677, 1354, 1697, 2708, 3394, 5416, 6788, 10832, 13576, 27152, 1148869, 2297738, 4595476, 9190952, 18381904]

約数ペア:

[(1, 18381904), (2, 9190952), (4, 4595476), (8, 2297738), (16, 1148869), (677, 27152), (1354, 13576), (1697, 10832), (2708, 6788), (3394, 5416)]