18149661

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 27091584

約数和(自身を除く): 8941923

約数列:

[1, 3, 9, 47, 107, 141, 321, 401, 423, 963, 1203, 3609, 5029, 15087, 18847, 42907, 45261, 56541, 128721, 169623, 386163, 2016629, 6049887, 18149661]

約数ペア:

[(1, 18149661), (3, 6049887), (9, 2016629), (47, 386163), (107, 169623), (141, 128721), (321, 56541), (401, 45261), (423, 42907), (963, 18847), (1203, 15087), (3609, 5029)]