19459198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2111}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 12474242

約数列:

[1, 2, 11, 22, 419, 838, 2111, 4222, 4609, 9218, 23221, 46442, 884509, 1769018, 9729599, 19459198]

約数ペア:

[(1, 19459198), (2, 9729599), (11, 1769018), (22, 884509), (419, 46442), (838, 23221), (2111, 9218), (4222, 4609)]