18246288417

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{519349}}^1$

素因数の和:519605

約数の個数: 24

約数和(自身を含む): 28418832000

約数和(自身を除く): 10172543583

約数列:

[1, 3, 7, 21, 49, 147, 239, 717, 1673, 5019, 11711, 35133, 519349, 1558047, 3635443, 10906329, 25448101, 76344303, 124124411, 372373233, 868870877, 2606612631, 6082096139, 18246288417]

約数ペア:

[(1, 18246288417), (3, 6082096139), (7, 2606612631), (21, 868870877), (49, 372373233), (147, 124124411), (239, 76344303), (717, 25448101), (1673, 10906329), (5019, 3635443), (11711, 1558047), (35133, 519349)]