18639438

素因数分解:

$2^1\times 3^1\times {\mathrm{487}}^1\times {\mathrm{6379}}^1$

素因数の和:6871

約数の個数: 16

約数和(自身を含む): 37361280

約数和(自身を除く): 18721842

約数列:

[1, 2, 3, 6, 487, 974, 1461, 2922, 6379, 12758, 19137, 38274, 3106573, 6213146, 9319719, 18639438]

約数ペア:

[(1, 18639438), (2, 9319719), (3, 6213146), (6, 3106573), (487, 38274), (974, 19137), (1461, 12758), (2922, 6379)]