18142492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 17419748

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 97, 107, 194, 214, 388, 428, 437, 874, 1748, 1843, 2033, 2231, 2461, 3686, 4066, 4462, 4922, 7372, 8132, 8924, 9844, 10379, 20758, 41516, 42389, 46759, 84778, 93518, 169556, 187036, 197201, 238717, 394402, 477434, 788804, 954868, 4535623, 9071246, 18142492]

約数ペア:

[(1, 18142492), (2, 9071246), (4, 4535623), (19, 954868), (23, 788804), (38, 477434), (46, 394402), (76, 238717), (92, 197201), (97, 187036), (107, 169556), (194, 93518), (214, 84778), (388, 46759), (428, 42389), (437, 41516), (874, 20758), (1748, 10379), (1843, 9844), (2033, 8924), (2231, 8132), (2461, 7372), (3686, 4922), (4066, 4462)]