18726531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 26271744

約数和(自身を除く): 7545213

約数列:

[1, 3, 23, 69, 127, 381, 2137, 2921, 6411, 8763, 49151, 147453, 271399, 814197, 6242177, 18726531]

約数ペア:

[(1, 18726531), (3, 6242177), (23, 814197), (69, 271399), (127, 147453), (381, 49151), (2137, 8763), (2921, 6411)]