18921925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 25935840

約数和(自身を除く): 7013915

約数列:

[1, 5, 11, 25, 55, 83, 275, 415, 829, 913, 2075, 4145, 4565, 9119, 20725, 22825, 45595, 68807, 227975, 344035, 756877, 1720175, 3784385, 18921925]

約数ペア:

[(1, 18921925), (5, 3784385), (11, 1720175), (25, 756877), (55, 344035), (83, 227975), (275, 68807), (415, 45595), (829, 22825), (913, 20725), (2075, 9119), (4145, 4565)]