18488138005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1785431}}^1$

素因数の和:1785564

約数の個数: 16

約数和(自身を含む): 23567702400

約数和(自身を除く): 5079564395

約数列:

[1, 5, 19, 95, 109, 545, 2071, 10355, 1785431, 8927155, 33923189, 169615945, 194611979, 973059895, 3697627601, 18488138005]

約数ペア:

[(1, 18488138005), (5, 3697627601), (19, 973059895), (95, 194611979), (109, 169615945), (545, 33923189), (2071, 8927155), (10355, 1785431)]