81191826

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5591

約数の個数: 48

約数和(自身を含む): 189515040

約数和(自身を除く): 108323214

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 5521, 7353, 11042, 14706, 16563, 33126, 49689, 99378, 104899, 209798, 237403, 314697, 474806, 629394, 712209, 944091, 1424418, 1888182, 2136627, 4273254, 4510657, 9021314, 13531971, 27063942, 40595913, 81191826]

約数ペア:

[(1, 81191826), (2, 40595913), (3, 27063942), (6, 13531971), (9, 9021314), (18, 4510657), (19, 4273254), (38, 2136627), (43, 1888182), (57, 1424418), (86, 944091), (114, 712209), (129, 629394), (171, 474806), (258, 314697), (342, 237403), (387, 209798), (774, 104899), (817, 99378), (1634, 49689), (2451, 33126), (4902, 16563), (5521, 14706), (7353, 11042)]