18996978658

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{99053}}^1$

素因数の和:99191

約数の個数: 48

約数和(自身を含む): 35231526720

約数和(自身を除く): 16234548062

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 103, 133, 206, 266, 721, 931, 1442, 1862, 1957, 3914, 5047, 10094, 13699, 27398, 95893, 99053, 191786, 198106, 693371, 1386742, 1882007, 3764014, 4853597, 9707194, 10202459, 13174049, 20404918, 26348098, 71417213, 92218343, 142834426, 184436686, 193846721, 387693442, 499920491, 999840982, 1356927047, 2713854094, 9498489329, 18996978658]

約数ペア:

[(1, 18996978658), (2, 9498489329), (7, 2713854094), (14, 1356927047), (19, 999840982), (38, 499920491), (49, 387693442), (98, 193846721), (103, 184436686), (133, 142834426), (206, 92218343), (266, 71417213), (721, 26348098), (931, 20404918), (1442, 13174049), (1862, 10202459), (1957, 9707194), (3914, 4853597), (5047, 3764014), (10094, 1882007), (13699, 1386742), (27398, 693371), (95893, 198106), (99053, 191786)]