19189390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15859}}^1$

素因数の和:15888

約数の個数: 24

約数和(自身を含む): 37968840

約数和(自身を除く): 18779450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15859, 31718, 79295, 158590, 174449, 348898, 872245, 1744490, 1918939, 3837878, 9594695, 19189390]

約数ペア:

[(1, 19189390), (2, 9594695), (5, 3837878), (10, 1918939), (11, 1744490), (22, 872245), (55, 348898), (110, 174449), (121, 158590), (242, 79295), (605, 31718), (1210, 15859)]