1830940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 3936240

約数和(自身を除く): 2105300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2129, 4258, 8516, 10645, 21290, 42580, 91547, 183094, 366188, 457735, 915470, 1830940]

約数ペア:

[(1, 1830940), (2, 915470), (4, 457735), (5, 366188), (10, 183094), (20, 91547), (43, 42580), (86, 21290), (172, 10645), (215, 8516), (430, 4258), (860, 2129)]