19005680180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8409593}}^1$

素因数の和:8409715

約数の個数: 24

約数和(自身を含む): 40265136072

約数和(自身を除く): 21259455892

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8409593, 16819186, 33638372, 42047965, 84095930, 168191860, 950284009, 1900568018, 3801136036, 4751420045, 9502840090, 19005680180]

約数ペア:

[(1, 19005680180), (2, 9502840090), (4, 4751420045), (5, 3801136036), (10, 1900568018), (20, 950284009), (113, 168191860), (226, 84095930), (452, 42047965), (565, 33638372), (1130, 16819186), (2260, 8409593)]