19408268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2437}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 37272144

約数和(自身を除く): 17863876

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2437, 3982, 4874, 7964, 9748, 26807, 53614, 107228, 441097, 882194, 1764388, 4852067, 9704134, 19408268]

約数ペア:

[(1, 19408268), (2, 9704134), (4, 4852067), (11, 1764388), (22, 882194), (44, 441097), (181, 107228), (362, 53614), (724, 26807), (1991, 9748), (2437, 7964), (3982, 4874)]