2018667640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4587881}}^1$

素因数の和:4587903

約数の個数: 32

約数和(自身を含む): 4954912560

約数和(自身を除く): 2936244920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4587881, 9175762, 18351524, 22939405, 36703048, 45878810, 50466691, 91757620, 100933382, 183515240, 201866764, 252333455, 403733528, 504666910, 1009333820, 2018667640]

約数ペア:

[(1, 2018667640), (2, 1009333820), (4, 504666910), (5, 403733528), (8, 252333455), (10, 201866764), (11, 183515240), (20, 100933382), (22, 91757620), (40, 50466691), (44, 45878810), (55, 36703048), (88, 22939405), (110, 18351524), (220, 9175762), (440, 4587881)]