19863145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 25183872

約数和(自身を除く): 5320727

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2081, 9545, 10405, 47863, 172723, 239315, 863615, 3972629, 19863145]

約数ペア:

[(1, 19863145), (5, 3972629), (23, 863615), (83, 239315), (115, 172723), (415, 47863), (1909, 10405), (2081, 9545)]