20170911916

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{12963311}}^1$

素因数の和:12963704

約数の個数: 12

約数和(自身を含む): 35389841760

約数和(自身を除く): 15218929844

約数列:

[1, 2, 4, 389, 778, 1556, 12963311, 25926622, 51853244, 5042727979, 10085455958, 20170911916]

約数ペア:

[(1, 20170911916), (2, 10085455958), (4, 5042727979), (389, 51853244), (778, 25926622), (1556, 12963311)]