18198896

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{1999}}^1$

素因数の和:2576

約数の個数: 20

約数和(自身を含む): 35340000

約数和(自身を除く): 17141104

約数列:

[1, 2, 4, 8, 16, 569, 1138, 1999, 2276, 3998, 4552, 7996, 9104, 15992, 31984, 1137431, 2274862, 4549724, 9099448, 18198896]

約数ペア:

[(1, 18198896), (2, 9099448), (4, 4549724), (8, 2274862), (16, 1137431), (569, 31984), (1138, 15992), (1999, 9104), (2276, 7996), (3998, 4552)]