18678032

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8521}}^1$

素因数の和:8666

約数の個数: 20

約数和(自身を含む): 36457116

約数和(自身を除く): 17779084

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8521, 17042, 34084, 68168, 136336, 1167377, 2334754, 4669508, 9339016, 18678032]

約数ペア:

[(1, 18678032), (2, 9339016), (4, 4669508), (8, 2334754), (16, 1167377), (137, 136336), (274, 68168), (548, 34084), (1096, 17042), (2192, 8521)]