18110421

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 30103424

約数和(自身を除く): 11993003

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 1831, 3297, 5493, 9891, 12817, 16479, 38451, 115353, 287467, 862401, 2012269, 2587203, 6036807, 18110421]

約数ペア:

[(1, 18110421), (3, 6036807), (7, 2587203), (9, 2012269), (21, 862401), (63, 287467), (157, 115353), (471, 38451), (1099, 16479), (1413, 12817), (1831, 9891), (3297, 5493)]