18568199

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 22293792

約数和(自身を除く): 3725593

約数列:

[1, 13, 17, 23, 169, 221, 281, 299, 391, 2873, 3653, 3887, 4777, 5083, 6463, 47489, 62101, 66079, 84019, 109871, 807313, 1092247, 1428323, 18568199]

約数ペア:

[(1, 18568199), (13, 1428323), (17, 1092247), (23, 807313), (169, 109871), (221, 84019), (281, 66079), (299, 62101), (391, 47489), (2873, 6463), (3653, 5083), (3887, 4777)]