1640678842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3925069}}^1$

素因数の和:3925101

約数の個数: 16

約数和(自身を含む): 2826050400

約数和(自身を除く): 1185371558

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 3925069, 7850138, 43175759, 74576311, 86351518, 149152622, 820339421, 1640678842]

約数ペア:

[(1, 1640678842), (2, 820339421), (11, 149152622), (19, 86351518), (22, 74576311), (38, 43175759), (209, 7850138), (418, 3925069)]