18368259

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 30664704

約数和(自身を除く): 12296445

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1103, 1281, 2379, 3309, 5551, 7721, 14339, 16653, 23163, 43017, 67283, 100373, 201849, 301119, 470981, 874679, 1412943, 2624037, 6122753, 18368259]

約数ペア:

[(1, 18368259), (3, 6122753), (7, 2624037), (13, 1412943), (21, 874679), (39, 470981), (61, 301119), (91, 201849), (183, 100373), (273, 67283), (427, 43017), (793, 23163), (1103, 16653), (1281, 14339), (2379, 7721), (3309, 5551)]