18991786484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{6521}}^1\times {\mathrm{66191}}^1$

素因数の和:72727

約数の個数: 24

約数和(自身を含む): 36263154816

約数和(自身を除く): 17271368332

約数列:

[1, 2, 4, 11, 22, 44, 6521, 13042, 26084, 66191, 71731, 132382, 143462, 264764, 286924, 728101, 1456202, 2912404, 431631511, 863263022, 1726526044, 4747946621, 9495893242, 18991786484]

約数ペア:

[(1, 18991786484), (2, 9495893242), (4, 4747946621), (11, 1726526044), (22, 863263022), (44, 431631511), (6521, 2912404), (13042, 1456202), (26084, 728101), (66191, 286924), (71731, 264764), (132382, 143462)]