18343721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 21705600

約数和(自身を除く): 3361879

約数列:

[1, 11, 19, 79, 101, 121, 209, 869, 1111, 1501, 1919, 2299, 7979, 9559, 12221, 16511, 21109, 87769, 151601, 181621, 232199, 965459, 1667611, 18343721]

約数ペア:

[(1, 18343721), (11, 1667611), (19, 965459), (79, 232199), (101, 181621), (121, 151601), (209, 87769), (869, 21109), (1111, 16511), (1501, 12221), (1919, 9559), (2299, 7979)]