18853569

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2963}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 31442112

約数和(自身を除く): 12588543

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2963, 6363, 8889, 20741, 26667, 62223, 186669, 299263, 897789, 2094841, 2693367, 6284523, 18853569]

約数ペア:

[(1, 18853569), (3, 6284523), (7, 2693367), (9, 2094841), (21, 897789), (63, 299263), (101, 186669), (303, 62223), (707, 26667), (909, 20741), (2121, 8889), (2963, 6363)]