19902550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9257}}^1$

素因数の和:9312

約数の個数: 24

約数和(自身を含む): 37883736

約数和(自身を除く): 17981186

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9257, 18514, 46285, 92570, 231425, 398051, 462850, 796102, 1990255, 3980510, 9951275, 19902550]

約数ペア:

[(1, 19902550), (2, 9951275), (5, 3980510), (10, 1990255), (25, 796102), (43, 462850), (50, 398051), (86, 231425), (215, 92570), (430, 46285), (1075, 18514), (2150, 9257)]