19861424

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10259}}^1$

素因数の和:10289

約数の個数: 30

約数和(自身を含む): 42301980

約数和(自身を除く): 22440556

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10259, 20518, 41036, 82072, 112849, 164144, 225698, 451396, 902792, 1241339, 1805584, 2482678, 4965356, 9930712, 19861424]

約数ペア:

[(1, 19861424), (2, 9930712), (4, 4965356), (8, 2482678), (11, 1805584), (16, 1241339), (22, 902792), (44, 451396), (88, 225698), (121, 164144), (176, 112849), (242, 82072), (484, 41036), (968, 20518), (1936, 10259)]