19618010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27631}}^1$

素因数の和:27709

約数の個数: 16

約数和(自身を含む): 35811072

約数和(自身を除く): 16193062

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27631, 55262, 138155, 276310, 1961801, 3923602, 9809005, 19618010]

約数ペア:

[(1, 19618010), (2, 9809005), (5, 3923602), (10, 1961801), (71, 276310), (142, 138155), (355, 55262), (710, 27631)]