18511389

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2293}}^1$

素因数の和:2338

約数の個数: 32

約数和(自身を含む): 30831360

約数和(自身を除く): 12319971

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2293, 2691, 6879, 8073, 20637, 29809, 52739, 61911, 89427, 158217, 268281, 474651, 685607, 804843, 1423953, 2056821, 6170463, 18511389]

約数ペア:

[(1, 18511389), (3, 6170463), (9, 2056821), (13, 1423953), (23, 804843), (27, 685607), (39, 474651), (69, 268281), (117, 158217), (207, 89427), (299, 61911), (351, 52739), (621, 29809), (897, 20637), (2293, 8073), (2691, 6879)]