19750070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27817}}^1$

素因数の和:27895

約数の個数: 16

約数和(自身を含む): 36052128

約数和(自身を除く): 16302058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27817, 55634, 139085, 278170, 1975007, 3950014, 9875035, 19750070]

約数ペア:

[(1, 19750070), (2, 9875035), (5, 3950014), (10, 1975007), (71, 278170), (142, 139085), (355, 55634), (710, 27817)]