1980044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4091}}^1$

素因数の和:4117

約数の個数: 18

約数和(自身を含む): 3809652

約数和(自身を除く): 1829608

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4091, 8182, 16364, 45001, 90002, 180004, 495011, 990022, 1980044]

約数ペア:

[(1, 1980044), (2, 990022), (4, 495011), (11, 180004), (22, 90002), (44, 45001), (121, 16364), (242, 8182), (484, 4091)]