18712263

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 25747200

約数和(自身を除く): 7034937

約数列:

[1, 3, 59, 71, 177, 213, 1489, 4189, 4467, 12567, 87851, 105719, 263553, 317157, 6237421, 18712263]

約数ペア:

[(1, 18712263), (3, 6237421), (59, 317157), (71, 263553), (177, 105719), (213, 87851), (1489, 12567), (4189, 4467)]