17869820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7907}}^1$

素因数の和:8029

約数の個数: 24

約数和(自身を含む): 37863504

約数和(自身を除く): 19993684

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 7907, 15814, 31628, 39535, 79070, 158140, 893491, 1786982, 3573964, 4467455, 8934910, 17869820]

約数ペア:

[(1, 17869820), (2, 8934910), (4, 4467455), (5, 3573964), (10, 1786982), (20, 893491), (113, 158140), (226, 79070), (452, 39535), (565, 31628), (1130, 15814), (2260, 7907)]