17987942

素因数分解:

$2^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1787}}^1$

素因数の和:2515

約数の個数: 16

約数和(自身を含む): 30896640

約数和(自身を除く): 12908698

約数列:

[1, 2, 7, 14, 719, 1438, 1787, 3574, 5033, 10066, 12509, 25018, 1284853, 2569706, 8993971, 17987942]

約数ペア:

[(1, 17987942), (2, 8993971), (7, 2569706), (14, 1284853), (719, 25018), (1438, 12509), (1787, 10066), (3574, 5033)]