19211110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1039}}^1$

素因数の和:1132

約数の個数: 24

約数和(自身を含む): 35436960

約数和(自身を除く): 16225850

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1039, 1849, 2078, 3698, 5195, 9245, 10390, 18490, 44677, 89354, 223385, 446770, 1921111, 3842222, 9605555, 19211110]

約数ペア:

[(1, 19211110), (2, 9605555), (5, 3842222), (10, 1921111), (43, 446770), (86, 223385), (215, 89354), (430, 44677), (1039, 18490), (1849, 10390), (2078, 9245), (3698, 5195)]