18244947

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6841}}^1$

素因数の和:6978

約数の個数: 16

約数和(自身を含む): 28024832

約数和(自身を除く): 9779885

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6841, 20523, 47887, 143661, 868807, 2606421, 6081649, 18244947]

約数ペア:

[(1, 18244947), (3, 6081649), (7, 2606421), (21, 868807), (127, 143661), (381, 47887), (889, 20523), (2667, 6841)]