18148779

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20369}}^1$

素因数の和:20392

約数の個数: 20

約数和(自身を含む): 29577240

約数和(自身を除く): 11428461

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20369, 61107, 183321, 224059, 549963, 672177, 1649889, 2016531, 6049593, 18148779]

約数ペア:

[(1, 18148779), (3, 6049593), (9, 2016531), (11, 1649889), (27, 672177), (33, 549963), (81, 224059), (99, 183321), (297, 61107), (891, 20369)]