19941645

素因数分解:

$3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3001}}^1$

素因数の和:3452

約数の個数: 16

約数和(自身を含む): 31989312

約数和(自身を除く): 12047667

約数列:

[1, 3, 5, 15, 443, 1329, 2215, 3001, 6645, 9003, 15005, 45015, 1329443, 3988329, 6647215, 19941645]

約数ペア:

[(1, 19941645), (3, 6647215), (5, 3988329), (15, 1329443), (443, 45015), (1329, 15005), (2215, 9003), (3001, 6645)]