19700564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{863}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17555116

約数列:

[1, 2, 4, 13, 26, 52, 439, 863, 878, 1726, 1756, 3452, 5707, 11219, 11414, 22438, 22828, 44876, 378857, 757714, 1515428, 4925141, 9850282, 19700564]

約数ペア:

[(1, 19700564), (2, 9850282), (4, 4925141), (13, 1515428), (26, 757714), (52, 378857), (439, 44876), (863, 22828), (878, 22438), (1726, 11414), (1756, 11219), (3452, 5707)]