19759564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1879}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 37900800

約数和(自身を除く): 18141236

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 1879, 2629, 3758, 5258, 7516, 10516, 20669, 41338, 82676, 449081, 898162, 1796324, 4939891, 9879782, 19759564]

約数ペア:

[(1, 19759564), (2, 9879782), (4, 4939891), (11, 1796324), (22, 898162), (44, 449081), (239, 82676), (478, 41338), (956, 20669), (1879, 10516), (2629, 7516), (3758, 5258)]