18430815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 32449536

約数和(自身を除く): 14018721

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 2011, 3055, 6033, 9165, 10055, 26143, 30165, 78429, 94517, 130715, 283551, 392145, 472585, 1228721, 1417755, 3686163, 6143605, 18430815]

約数ペア:

[(1, 18430815), (3, 6143605), (5, 3686163), (13, 1417755), (15, 1228721), (39, 472585), (47, 392145), (65, 283551), (141, 130715), (195, 94517), (235, 78429), (611, 30165), (705, 26143), (1833, 10055), (2011, 9165), (3055, 6033)]