18353885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 6926755

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1319, 2783, 6595, 13915, 14509, 30337, 72545, 151685, 159599, 333707, 797995, 1668535, 3670777, 18353885]

約数ペア:

[(1, 18353885), (5, 3670777), (11, 1668535), (23, 797995), (55, 333707), (115, 159599), (121, 151685), (253, 72545), (605, 30337), (1265, 14509), (1319, 13915), (2783, 6595)]