19922375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{14489}}^1$

素因数の和:14515

約数の個数: 16

約数和(自身を含む): 27125280

約数和(自身を除く): 7202905

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 14489, 72445, 159379, 362225, 796895, 1811125, 3984475, 19922375]

約数ペア:

[(1, 19922375), (5, 3984475), (11, 1811125), (25, 796895), (55, 362225), (125, 159379), (275, 72445), (1375, 14489)]