19021335

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 31534272

約数和(自身を除く): 12512937

約数列:

[1, 3, 5, 15, 41, 123, 157, 197, 205, 471, 591, 615, 785, 985, 2355, 2955, 6437, 8077, 19311, 24231, 30929, 32185, 40385, 92787, 96555, 121155, 154645, 463935, 1268089, 3804267, 6340445, 19021335]

約数ペア:

[(1, 19021335), (3, 6340445), (5, 3804267), (15, 1268089), (41, 463935), (123, 154645), (157, 121155), (197, 96555), (205, 92787), (471, 40385), (591, 32185), (615, 30929), (785, 24231), (985, 19311), (2355, 8077), (2955, 6437)]