19561210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27551}}^1$

素因数の和:27629

約数の個数: 16

約数和(自身を含む): 35707392

約数和(自身を除く): 16146182

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27551, 55102, 137755, 275510, 1956121, 3912242, 9780605, 19561210]

約数ペア:

[(1, 19561210), (2, 9780605), (5, 3912242), (10, 1956121), (71, 275510), (142, 137755), (355, 55102), (710, 27551)]