19251153

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 28843776

約数和(自身を除く): 9592623

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 641, 1923, 3337, 5769, 10011, 30033, 30127, 45511, 90381, 136533, 271143, 409599, 2139017, 6417051, 19251153]

約数ペア:

[(1, 19251153), (3, 6417051), (9, 2139017), (47, 409599), (71, 271143), (141, 136533), (213, 90381), (423, 45511), (639, 30127), (641, 30033), (1923, 10011), (3337, 5769)]