18681842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8641}}^1$

素因数の和:8713

約数の個数: 16

約数和(自身を含む): 29866752

約数和(自身を除く): 11184910

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 8641, 17282, 198743, 397486, 406127, 812254, 9340921, 18681842]

約数ペア:

[(1, 18681842), (2, 9340921), (23, 812254), (46, 406127), (47, 397486), (94, 198743), (1081, 17282), (2162, 8641)]