18419588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2048

約数の個数: 36

約数和(自身を含む): 37314480

約数和(自身を除く): 18894892

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2003, 2299, 4006, 4598, 8012, 9196, 22033, 38057, 44066, 76114, 88132, 152228, 242363, 418627, 484726, 837254, 969452, 1674508, 4604897, 9209794, 18419588]

約数ペア:

[(1, 18419588), (2, 9209794), (4, 4604897), (11, 1674508), (19, 969452), (22, 837254), (38, 484726), (44, 418627), (76, 242363), (121, 152228), (209, 88132), (242, 76114), (418, 44066), (484, 38057), (836, 22033), (2003, 9196), (2299, 8012), (4006, 4598)]