18893953

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 22280832

約数和(自身を除く): 3386879

約数列:

[1, 13, 17, 47, 107, 221, 289, 611, 799, 1391, 1819, 3757, 5029, 10387, 13583, 23647, 30923, 65377, 85493, 176579, 401999, 1111409, 1453381, 18893953]

約数ペア:

[(1, 18893953), (13, 1453381), (17, 1111409), (47, 401999), (107, 176579), (221, 85493), (289, 65377), (611, 30923), (799, 23647), (1391, 13583), (1819, 10387), (3757, 5029)]