19149260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73651}}^1$

素因数の和:73673

約数の個数: 24

約数和(自身を含む): 43307376

約数和(自身を除く): 24158116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73651, 147302, 294604, 368255, 736510, 957463, 1473020, 1914926, 3829852, 4787315, 9574630, 19149260]

約数ペア:

[(1, 19149260), (2, 9574630), (4, 4787315), (5, 3829852), (10, 1914926), (13, 1473020), (20, 957463), (26, 736510), (52, 368255), (65, 294604), (130, 147302), (260, 73651)]