18481239

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9463}}^1$

素因数の和:9507

約数の個数: 24

約数和(自身を含む): 31496192

約数和(自身を除く): 13014953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9463, 28389, 66241, 85167, 198723, 293353, 596169, 880059, 2053471, 2640177, 6160413, 18481239]

約数ペア:

[(1, 18481239), (3, 6160413), (7, 2640177), (9, 2053471), (21, 880059), (31, 596169), (63, 293353), (93, 198723), (217, 85167), (279, 66241), (651, 28389), (1953, 9463)]