19663398

素因数分解:

$2^1\times 3^4\times {\mathrm{121379}}^1$

素因数の和:121393

約数の個数: 20

約数和(自身を含む): 44060940

約数和(自身を除く): 24397542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121379, 242758, 364137, 728274, 1092411, 2184822, 3277233, 6554466, 9831699, 19663398]

約数ペア:

[(1, 19663398), (2, 9831699), (3, 6554466), (6, 3277233), (9, 2184822), (18, 1092411), (27, 728274), (54, 364137), (81, 242758), (162, 121379)]