18789939

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2953}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 31336032

約数和(自身を除く): 12546093

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2953, 6363, 8859, 20671, 26577, 62013, 186039, 298253, 894759, 2087771, 2684277, 6263313, 18789939]

約数ペア:

[(1, 18789939), (3, 6263313), (7, 2684277), (9, 2087771), (21, 894759), (63, 298253), (101, 186039), (303, 62013), (707, 26577), (909, 20671), (2121, 8859), (2953, 6363)]