18997314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 45382656

約数和(自身を除く): 26385342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 67, 86, 129, 134, 157, 201, 258, 301, 314, 402, 469, 471, 602, 903, 938, 942, 1099, 1407, 1806, 2198, 2814, 2881, 3297, 5762, 6594, 6751, 8643, 10519, 13502, 17286, 20167, 20253, 21038, 31557, 40334, 40506, 47257, 60501, 63114, 73633, 94514, 121002, 141771, 147266, 220899, 283542, 441798, 452317, 904634, 1356951, 2713902, 3166219, 6332438, 9498657, 18997314]

約数ペア:

[(1, 18997314), (2, 9498657), (3, 6332438), (6, 3166219), (7, 2713902), (14, 1356951), (21, 904634), (42, 452317), (43, 441798), (67, 283542), (86, 220899), (129, 147266), (134, 141771), (157, 121002), (201, 94514), (258, 73633), (301, 63114), (314, 60501), (402, 47257), (469, 40506), (471, 40334), (602, 31557), (903, 21038), (938, 20253), (942, 20167), (1099, 17286), (1407, 13502), (1806, 10519), (2198, 8643), (2814, 6751), (2881, 6594), (3297, 5762)]