18798828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 47322240

約数和(自身を除く): 28523412

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2011, 2337, 3116, 4022, 4674, 6033, 8044, 9348, 12066, 24132, 38209, 76418, 82451, 114627, 152836, 164902, 229254, 247353, 329804, 458508, 494706, 989412, 1566569, 3133138, 4699707, 6266276, 9399414, 18798828]

約数ペア:

[(1, 18798828), (2, 9399414), (3, 6266276), (4, 4699707), (6, 3133138), (12, 1566569), (19, 989412), (38, 494706), (41, 458508), (57, 329804), (76, 247353), (82, 229254), (114, 164902), (123, 152836), (164, 114627), (228, 82451), (246, 76418), (492, 38209), (779, 24132), (1558, 12066), (2011, 9348), (2337, 8044), (3116, 6033), (4022, 4674)]