19999510

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19417}}^1$

素因数の和:19527

約数の個数: 16

約数和(自身を含む): 36350496

約数和(自身を除く): 16350986

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19417, 38834, 97085, 194170, 1999951, 3999902, 9999755, 19999510]

約数ペア:

[(1, 19999510), (2, 9999755), (5, 3999902), (10, 1999951), (103, 194170), (206, 97085), (515, 38834), (1030, 19417)]