17967156940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21911167}}^1$

素因数の和:21911217

約数の個数: 24

約数和(自身を含む): 38651300352

約数和(自身を除く): 20684143412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21911167, 43822334, 87644668, 109555835, 219111670, 438223340, 898357847, 1796715694, 3593431388, 4491789235, 8983578470, 17967156940]

約数ペア:

[(1, 17967156940), (2, 8983578470), (4, 4491789235), (5, 3593431388), (10, 1796715694), (20, 898357847), (41, 438223340), (82, 219111670), (164, 109555835), (205, 87644668), (410, 43822334), (820, 21911167)]