19852885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7103}}^1$

素因数の和:7164

約数の個数: 16

約数和(自身を含む): 26256384

約数和(自身を除く): 6403499

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7103, 35515, 92339, 305429, 461695, 1527145, 3970577, 19852885]

約数ペア:

[(1, 19852885), (5, 3970577), (13, 1527145), (43, 461695), (65, 305429), (215, 92339), (559, 35515), (2795, 7103)]