18829713

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 9941487

約数列:

[1, 3, 7, 21, 449, 1347, 1997, 3143, 5991, 9429, 13979, 41937, 896653, 2689959, 6276571, 18829713]

約数ペア:

[(1, 18829713), (3, 6276571), (7, 2689959), (21, 896653), (449, 41937), (1347, 13979), (1997, 9429), (3143, 5991)]