19730876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{881}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 37784880

約数和(自身を除く): 18054004

約数列:

[1, 2, 4, 11, 22, 44, 509, 881, 1018, 1762, 2036, 3524, 5599, 9691, 11198, 19382, 22396, 38764, 448429, 896858, 1793716, 4932719, 9865438, 19730876]

約数ペア:

[(1, 19730876), (2, 9865438), (4, 4932719), (11, 1793716), (22, 896858), (44, 448429), (509, 38764), (881, 22396), (1018, 19382), (1762, 11198), (2036, 9691), (3524, 5599)]