19922975

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{431}}^1$

素因数の和:527

約数の個数: 18

約数和(自身を含む): 25351056

約数和(自身を除く): 5428081

約数列:

[1, 5, 25, 43, 215, 431, 1075, 1849, 2155, 9245, 10775, 18533, 46225, 92665, 463325, 796919, 3984595, 19922975]

約数ペア:

[(1, 19922975), (5, 3984595), (25, 796919), (43, 463325), (215, 92665), (431, 46225), (1075, 18533), (1849, 10775), (2155, 9245)]