19132420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22247}}^1$

素因数の和:22299

約数の個数: 24

約数和(自身を含む): 41114304

約数和(自身を除く): 21981884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22247, 44494, 88988, 111235, 222470, 444940, 956621, 1913242, 3826484, 4783105, 9566210, 19132420]

約数ペア:

[(1, 19132420), (2, 9566210), (4, 4783105), (5, 3826484), (10, 1913242), (20, 956621), (43, 444940), (86, 222470), (172, 111235), (215, 88988), (430, 44494), (860, 22247)]