19392453

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7766

約数の個数: 20

約数和(自身を含む): 29907328

約数和(自身を除く): 10514875

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7723, 23169, 69507, 208521, 239413, 625563, 718239, 2154717, 6464151, 19392453]

約数ペア:

[(1, 19392453), (3, 6464151), (9, 2154717), (27, 718239), (31, 625563), (81, 239413), (93, 208521), (279, 69507), (837, 23169), (2511, 7723)]