19857762

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1669}}^1$

素因数の和:2338

約数の個数: 24

約数和(自身を含む): 43116060

約数和(自身を除く): 23258298

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1669, 1983, 3338, 3966, 5007, 5949, 10014, 11898, 15021, 30042, 1103209, 2206418, 3309627, 6619254, 9928881, 19857762]

約数ペア:

[(1, 19857762), (2, 9928881), (3, 6619254), (6, 3309627), (9, 2206418), (18, 1103209), (661, 30042), (1322, 15021), (1669, 11898), (1983, 10014), (3338, 5949), (3966, 5007)]