19376660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22531}}^1$

素因数の和:22583

約数の個数: 24

約数和(自身を含む): 41639136

約数和(自身を除く): 22262476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22531, 45062, 90124, 112655, 225310, 450620, 968833, 1937666, 3875332, 4844165, 9688330, 19376660]

約数ペア:

[(1, 19376660), (2, 9688330), (4, 4844165), (5, 3875332), (10, 1937666), (20, 968833), (43, 450620), (86, 225310), (172, 112655), (215, 90124), (430, 45062), (860, 22531)]