20161816578

素因数分解:

$2^1\times 3^2\times {\mathrm{1120100921}}^1$

素因数の和:1120100929

約数の個数: 12

約数和(自身を含む): 43683935958

約数和(自身を除く): 23522119380

約数列:

[1, 2, 3, 6, 9, 18, 1120100921, 2240201842, 3360302763, 6720605526, 10080908289, 20161816578]

約数ペア:

[(1, 20161816578), (2, 10080908289), (3, 6720605526), (6, 3360302763), (9, 2240201842), (18, 1120100921)]