19822478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1721}}^1$

素因数の和:2179

約数の個数: 16

約数和(自身を含む): 32111856

約数和(自身を除く): 12289378

約数列:

[1, 2, 13, 26, 443, 886, 1721, 3442, 5759, 11518, 22373, 44746, 762403, 1524806, 9911239, 19822478]

約数ペア:

[(1, 19822478), (2, 9911239), (13, 1524806), (26, 762403), (443, 44746), (886, 22373), (1721, 11518), (3442, 5759)]