18748749

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1667}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 26260992

約数和(自身を除く): 7512243

約数列:

[1, 3, 23, 69, 163, 489, 1667, 3749, 5001, 11247, 38341, 115023, 271721, 815163, 6249583, 18748749]

約数ペア:

[(1, 18748749), (3, 6249583), (23, 815163), (69, 271721), (163, 115023), (489, 38341), (1667, 11247), (3749, 5001)]