19423745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 26168832

約数和(自身を除く): 6745087

約数列:

[1, 5, 11, 43, 55, 191, 215, 473, 955, 1849, 2101, 2365, 8213, 9245, 10505, 20339, 41065, 90343, 101695, 353159, 451715, 1765795, 3884749, 19423745]

約数ペア:

[(1, 19423745), (5, 3884749), (11, 1765795), (43, 451715), (55, 353159), (191, 101695), (215, 90343), (473, 41065), (955, 20339), (1849, 10505), (2101, 9245), (2365, 8213)]