19511226

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30808134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 727, 994, 1278, 1454, 1491, 1917, 2181, 2982, 3834, 4362, 4473, 5089, 6543, 8946, 10178, 13086, 13419, 15267, 19629, 26838, 30534, 39258, 45801, 51617, 91602, 103234, 137403, 154851, 274806, 309702, 361319, 464553, 722638, 929106, 1083957, 1393659, 2167914, 2787318, 3251871, 6503742, 9755613, 19511226]

約数ペア:

[(1, 19511226), (2, 9755613), (3, 6503742), (6, 3251871), (7, 2787318), (9, 2167914), (14, 1393659), (18, 1083957), (21, 929106), (27, 722638), (42, 464553), (54, 361319), (63, 309702), (71, 274806), (126, 154851), (142, 137403), (189, 103234), (213, 91602), (378, 51617), (426, 45801), (497, 39258), (639, 30534), (727, 26838), (994, 19629), (1278, 15267), (1454, 13419), (1491, 13086), (1917, 10178), (2181, 8946), (2982, 6543), (3834, 5089), (4362, 4473)]