18249633

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 28707588

約数和(自身を除く): 10457955

約数列:

[1, 3, 9, 19, 41, 57, 123, 137, 171, 361, 369, 411, 779, 1083, 1233, 2337, 2603, 3249, 5617, 7011, 7809, 14801, 16851, 23427, 44403, 49457, 50553, 106723, 133209, 148371, 320169, 445113, 960507, 2027737, 6083211, 18249633]

約数ペア:

[(1, 18249633), (3, 6083211), (9, 2027737), (19, 960507), (41, 445113), (57, 320169), (123, 148371), (137, 133209), (171, 106723), (361, 50553), (369, 49457), (411, 44403), (779, 23427), (1083, 16851), (1233, 14801), (2337, 7809), (2603, 7011), (3249, 5617)]