19940634

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31484646

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, 743, 994, 1278, 1486, 1491, 1917, 2229, 2982, 3834, 4458, 4473, 5201, 6687, 8946, 10402, 13374, 13419, 15603, 20061, 26838, 31206, 40122, 46809, 52753, 93618, 105506, 140427, 158259, 280854, 316518, 369271, 474777, 738542, 949554, 1107813, 1424331, 2215626, 2848662, 3323439, 6646878, 9970317, 19940634]

約数ペア:

[(1, 19940634), (2, 9970317), (3, 6646878), (6, 3323439), (7, 2848662), (9, 2215626), (14, 1424331), (18, 1107813), (21, 949554), (27, 738542), (42, 474777), (54, 369271), (63, 316518), (71, 280854), (126, 158259), (142, 140427), (189, 105506), (213, 93618), (378, 52753), (426, 46809), (497, 40122), (639, 31206), (743, 26838), (994, 20061), (1278, 15603), (1486, 13419), (1491, 13374), (1917, 10402), (2229, 8946), (2982, 6687), (3834, 5201), (4458, 4473)]