19856605

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 24648624

約数和(自身を除く): 4792019

約数列:

[1, 5, 37, 181, 185, 593, 905, 2965, 6697, 21941, 33485, 107333, 109705, 536665, 3971321, 19856605]

約数ペア:

[(1, 19856605), (5, 3971321), (37, 536665), (181, 109705), (185, 107333), (593, 33485), (905, 21941), (2965, 6697)]