19030940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22129}}^1$

素因数の和:22181

約数の個数: 24

約数和(自身を含む): 40896240

約数和(自身を除く): 21865300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22129, 44258, 88516, 110645, 221290, 442580, 951547, 1903094, 3806188, 4757735, 9515470, 19030940]

約数ペア:

[(1, 19030940), (2, 9515470), (4, 4757735), (5, 3806188), (10, 1903094), (20, 951547), (43, 442580), (86, 221290), (172, 110645), (215, 88516), (430, 44258), (860, 22129)]