18923795

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 25791360

約数和(自身を除く): 6867565

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1009, 1705, 3751, 5045, 11099, 18755, 31279, 55495, 122089, 156395, 344069, 610445, 1720345, 3784759, 18923795]

約数ペア:

[(1, 18923795), (5, 3784759), (11, 1720345), (31, 610445), (55, 344069), (121, 156395), (155, 122089), (341, 55495), (605, 31279), (1009, 18755), (1705, 11099), (3751, 5045)]