19382290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27299}}^1$

素因数の和:27377

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 15998510

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27299, 54598, 136495, 272990, 1938229, 3876458, 9691145, 19382290]

約数ペア:

[(1, 19382290), (2, 9691145), (5, 3876458), (10, 1938229), (71, 272990), (142, 136495), (355, 54598), (710, 27299)]