18712762011

素因数分解:

$3^2\times {\mathrm{479}}^1\times {\mathrm{557}}^1\times {\mathrm{7793}}^1$

素因数の和:8835

約数の個数: 24

約数和(自身を含む): 27138084480

約数和(自身を除く): 8425322469

約数列:

[1, 3, 9, 479, 557, 1437, 1671, 4311, 5013, 7793, 23379, 70137, 266803, 800409, 2401227, 3732847, 4340701, 11198541, 13022103, 33595623, 39066309, 2079195779, 6237587337, 18712762011]

約数ペア:

[(1, 18712762011), (3, 6237587337), (9, 2079195779), (479, 39066309), (557, 33595623), (1437, 13022103), (1671, 11198541), (4311, 4340701), (5013, 3732847), (7793, 2401227), (23379, 800409), (70137, 266803)]