20196181818

素因数分解:

$2^1\times 3^4\times {\mathrm{124667789}}^1$

素因数の和:124667803

約数の個数: 20

約数和(自身を含む): 45254407770

約数和(自身を除く): 25058225952

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 124667789, 249335578, 374003367, 748006734, 1122010101, 2244020202, 3366030303, 6732060606, 10098090909, 20196181818]

約数ペア:

[(1, 20196181818), (2, 10098090909), (3, 6732060606), (6, 3366030303), (9, 2244020202), (18, 1122010101), (27, 748006734), (54, 374003367), (81, 249335578), (162, 124667789)]