19884834

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 46043712

約数和(自身を除く): 26158878

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1117, 1978, 2234, 2967, 3351, 5934, 6702, 8901, 10053, 17802, 20106, 25691, 48031, 51382, 77073, 96062, 144093, 154146, 231219, 288186, 432279, 462438, 864558, 1104713, 2209426, 3314139, 6628278, 9942417, 19884834]

約数ペア:

[(1, 19884834), (2, 9942417), (3, 6628278), (6, 3314139), (9, 2209426), (18, 1104713), (23, 864558), (43, 462438), (46, 432279), (69, 288186), (86, 231219), (129, 154146), (138, 144093), (207, 96062), (258, 77073), (387, 51382), (414, 48031), (774, 25691), (989, 20106), (1117, 17802), (1978, 10053), (2234, 8901), (2967, 6702), (3351, 5934)]