19868481

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 30528576

約数和(自身を除く): 10660095

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1811, 3657, 5433, 10971, 16299, 41653, 95983, 124959, 287949, 374877, 863847, 2207609, 6622827, 19868481]

約数ペア:

[(1, 19868481), (3, 6622827), (9, 2207609), (23, 863847), (53, 374877), (69, 287949), (159, 124959), (207, 95983), (477, 41653), (1219, 16299), (1811, 10971), (3657, 5433)]