18913642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{8863}}^1$

素因数の和:8973

約数の個数: 16

約数和(自身を含む): 31272192

約数和(自身を除く): 12358550

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 8863, 17726, 97493, 194986, 859711, 1719422, 9456821, 18913642]

約数ペア:

[(1, 18913642), (2, 9456821), (11, 1719422), (22, 859711), (97, 194986), (194, 97493), (1067, 17726), (2134, 8863)]