18870676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 36703744

約数和(自身を除く): 17833068

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 307, 484, 508, 614, 1228, 1397, 2794, 3377, 5588, 6754, 13508, 15367, 30734, 37147, 38989, 61468, 74294, 77978, 148588, 155956, 428879, 857758, 1715516, 4717669, 9435338, 18870676]

約数ペア:

[(1, 18870676), (2, 9435338), (4, 4717669), (11, 1715516), (22, 857758), (44, 428879), (121, 155956), (127, 148588), (242, 77978), (254, 74294), (307, 61468), (484, 38989), (508, 37147), (614, 30734), (1228, 15367), (1397, 13508), (2794, 6754), (3377, 5588)]