18619886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3121}}^1$

素因数の和:3299

約数の個数: 16

約数和(自身を含む): 29596560

約数和(自身を除く): 10976674

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3121, 5966, 6242, 59299, 118598, 489997, 979994, 9309943, 18619886]

約数ペア:

[(1, 18619886), (2, 9309943), (19, 979994), (38, 489997), (157, 118598), (314, 59299), (2983, 6242), (3121, 5966)]