18078478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{937}}^1$

素因数の和:1827

約数の個数: 16

約数和(自身を含む): 29648304

約数和(自身を除く): 11569826

約数列:

[1, 2, 11, 22, 877, 937, 1754, 1874, 9647, 10307, 19294, 20614, 821749, 1643498, 9039239, 18078478]

約数ペア:

[(1, 18078478), (2, 9039239), (11, 1643498), (22, 821749), (877, 20614), (937, 19294), (1754, 10307), (1874, 9647)]