18222215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19489}}^1$

素因数の和:19522

約数の個数: 16

約数和(自身を含む): 25259040

約数和(自身を除く): 7036825

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 19489, 97445, 214379, 331313, 1071895, 1656565, 3644443, 18222215]

約数ペア:

[(1, 18222215), (5, 3644443), (11, 1656565), (17, 1071895), (55, 331313), (85, 214379), (187, 97445), (935, 19489)]