19411256

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 17848744

約数列:

[1, 2, 4, 8, 89, 137, 178, 199, 274, 356, 398, 548, 712, 796, 1096, 1592, 12193, 17711, 24386, 27263, 35422, 48772, 54526, 70844, 97544, 109052, 141688, 218104, 2426407, 4852814, 9705628, 19411256]

約数ペア:

[(1, 19411256), (2, 9705628), (4, 4852814), (8, 2426407), (89, 218104), (137, 141688), (178, 109052), (199, 97544), (274, 70844), (356, 54526), (398, 48772), (548, 35422), (712, 27263), (796, 24386), (1096, 17711), (1592, 12193)]