19490598

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^2\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 44488080

約数和(自身を除く): 24997482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 97, 122, 183, 194, 291, 366, 549, 582, 873, 1098, 1647, 1746, 2619, 3294, 3721, 5238, 5917, 7442, 11163, 11834, 17751, 22326, 33489, 35502, 53253, 66978, 100467, 106506, 159759, 200934, 319518, 360937, 721874, 1082811, 2165622, 3248433, 6496866, 9745299, 19490598]

約数ペア:

[(1, 19490598), (2, 9745299), (3, 6496866), (6, 3248433), (9, 2165622), (18, 1082811), (27, 721874), (54, 360937), (61, 319518), (97, 200934), (122, 159759), (183, 106506), (194, 100467), (291, 66978), (366, 53253), (549, 35502), (582, 33489), (873, 22326), (1098, 17751), (1647, 11834), (1746, 11163), (2619, 7442), (3294, 5917), (3721, 5238)]