20161938

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{757}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 42350976

約数和(自身を除く): 22189038

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 193, 386, 579, 757, 1158, 1514, 2271, 4439, 4542, 8878, 13317, 17411, 26634, 34822, 52233, 104466, 146101, 292202, 438303, 876606, 3360323, 6720646, 10080969, 20161938]

約数ペア:

[(1, 20161938), (2, 10080969), (3, 6720646), (6, 3360323), (23, 876606), (46, 438303), (69, 292202), (138, 146101), (193, 104466), (386, 52233), (579, 34822), (757, 26634), (1158, 17411), (1514, 13317), (2271, 8878), (4439, 4542)]