19696481

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 24131520

約数和(自身を除く): 4435039

約数列:

[1, 7, 29, 49, 83, 167, 203, 581, 1169, 1421, 2407, 4067, 4843, 8183, 13861, 16849, 33901, 97027, 117943, 237307, 401969, 679189, 2813783, 19696481]

約数ペア:

[(1, 19696481), (7, 2813783), (29, 679189), (49, 401969), (83, 237307), (167, 117943), (203, 97027), (581, 33901), (1169, 16849), (1421, 13861), (2407, 8183), (4067, 4843)]