19904874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1579}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 23778966

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 191, 382, 573, 1146, 1579, 2101, 3158, 4202, 4737, 6303, 9474, 12606, 17369, 34738, 52107, 104214, 301589, 603178, 904767, 1809534, 3317479, 6634958, 9952437, 19904874]

約数ペア:

[(1, 19904874), (2, 9952437), (3, 6634958), (6, 3317479), (11, 1809534), (22, 904767), (33, 603178), (66, 301589), (191, 104214), (382, 52107), (573, 34738), (1146, 17369), (1579, 12606), (2101, 9474), (3158, 6303), (4202, 4737)]