19555340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139681}}^1$

素因数の和:139697

約数の個数: 24

約数和(自身を含む): 46933152

約数和(自身を除く): 27377812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139681, 279362, 558724, 698405, 977767, 1396810, 1955534, 2793620, 3911068, 4888835, 9777670, 19555340]

約数ペア:

[(1, 19555340), (2, 9777670), (4, 4888835), (5, 3911068), (7, 2793620), (10, 1955534), (14, 1396810), (20, 977767), (28, 698405), (35, 558724), (70, 279362), (140, 139681)]