19789874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1861}}^1$

素因数の和:2285

約数の個数: 16

約数和(自身を含む): 32063640

約数和(自身を除く): 12273766

約数列:

[1, 2, 13, 26, 409, 818, 1861, 3722, 5317, 10634, 24193, 48386, 761149, 1522298, 9894937, 19789874]

約数ペア:

[(1, 19789874), (2, 9894937), (13, 1522298), (26, 761149), (409, 48386), (818, 24193), (1861, 10634), (3722, 5317)]