18882019930

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1\times {\mathrm{19889}}^1$

素因数の和:20718

約数の個数: 32

約数和(自身を含む): 34283995200

約数和(自身を除く): 15401975270

約数列:

[1, 2, 5, 10, 139, 278, 683, 695, 1366, 1390, 3415, 6830, 19889, 39778, 94937, 99445, 189874, 198890, 474685, 949370, 2764571, 5529142, 13584187, 13822855, 27168374, 27645710, 67920935, 135841870, 1888201993, 3776403986, 9441009965, 18882019930]

約数ペア:

[(1, 18882019930), (2, 9441009965), (5, 3776403986), (10, 1888201993), (139, 135841870), (278, 67920935), (683, 27645710), (695, 27168374), (1366, 13822855), (1390, 13584187), (3415, 5529142), (6830, 2764571), (19889, 949370), (39778, 474685), (94937, 198890), (99445, 189874)]