19862870

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1553}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 35804160

約数和(自身を除く): 15941290

約数列:

[1, 2, 5, 10, 1279, 1553, 2558, 3106, 6395, 7765, 12790, 15530, 1986287, 3972574, 9931435, 19862870]

約数ペア:

[(1, 19862870), (2, 9931435), (5, 3972574), (10, 1986287), (1279, 15530), (1553, 12790), (2558, 7765), (3106, 6395)]