18127816

素因数分解:

$2^3\times 7^1\times {\mathrm{323711}}^1$

素因数の和:323724

約数の個数: 16

約数和(自身を含む): 38845440

約数和(自身を除く): 20717624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 323711, 647422, 1294844, 2265977, 2589688, 4531954, 9063908, 18127816]

約数ペア:

[(1, 18127816), (2, 9063908), (4, 4531954), (7, 2589688), (8, 2265977), (14, 1294844), (28, 647422), (56, 323711)]