19323340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22469}}^1$

素因数の和:22521

約数の個数: 24

約数和(自身を含む): 41524560

約数和(自身を除く): 22201220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22469, 44938, 89876, 112345, 224690, 449380, 966167, 1932334, 3864668, 4830835, 9661670, 19323340]

約数ペア:

[(1, 19323340), (2, 9661670), (4, 4830835), (5, 3864668), (10, 1932334), (20, 966167), (43, 449380), (86, 224690), (172, 112345), (215, 89876), (430, 44938), (860, 22469)]