18729788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{60811}}^1$

素因数の和:60833

約数の個数: 24

約数和(自身を含む): 40865664

約数和(自身を除く): 22135876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 60811, 121622, 243244, 425677, 668921, 851354, 1337842, 1702708, 2675684, 4682447, 9364894, 18729788]

約数ペア:

[(1, 18729788), (2, 9364894), (4, 4682447), (7, 2675684), (11, 1702708), (14, 1337842), (22, 851354), (28, 668921), (44, 425677), (77, 243244), (154, 121622), (308, 60811)]