19679764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1439}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17575916

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1439, 2878, 3419, 5756, 6838, 13676, 18707, 37414, 74828, 378457, 756914, 1513828, 4919941, 9839882, 19679764]

約数ペア:

[(1, 19679764), (2, 9839882), (4, 4919941), (13, 1513828), (26, 756914), (52, 378457), (263, 74828), (526, 37414), (1052, 18707), (1439, 13676), (2878, 6838), (3419, 5756)]