20199421818

素因数分解:

$2^1\times 3^4\times {\mathrm{124687789}}^1$

素因数の和:124687803

約数の個数: 20

約数和(自身を含む): 45261667770

約数和(自身を除く): 25062245952

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 124687789, 249375578, 374063367, 748126734, 1122190101, 2244380202, 3366570303, 6733140606, 10099710909, 20199421818]

約数ペア:

[(1, 20199421818), (2, 10099710909), (3, 6733140606), (6, 3366570303), (9, 2244380202), (18, 1122190101), (27, 748126734), (54, 374063367), (81, 249375578), (162, 124687789)]