18709390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{267277}}^1$

素因数の和:267291

約数の個数: 16

約数和(自身を含む): 38488032

約数和(自身を除く): 19778642

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 267277, 534554, 1336385, 1870939, 2672770, 3741878, 9354695, 18709390]

約数ペア:

[(1, 18709390), (2, 9354695), (5, 3741878), (7, 2672770), (10, 1870939), (14, 1336385), (35, 534554), (70, 267277)]