18348564479

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{13441}}^1$

素因数の和:13671

約数の個数: 32

約数和(自身を含む): 22401899520

約数和(自身を除く): 4053335041

約数列:

[1, 7, 23, 61, 139, 161, 427, 973, 1403, 3197, 8479, 9821, 13441, 22379, 59353, 94087, 195017, 309143, 819901, 1365119, 1868299, 2164001, 5739307, 13078093, 18857723, 42970877, 113966239, 132004061, 300796139, 797763673, 2621223497, 18348564479]

約数ペア:

[(1, 18348564479), (7, 2621223497), (23, 797763673), (61, 300796139), (139, 132004061), (161, 113966239), (427, 42970877), (973, 18857723), (1403, 13078093), (3197, 5739307), (8479, 2164001), (9821, 1868299), (13441, 1365119), (22379, 819901), (59353, 309143), (94087, 195017)]