18728626

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15031}}^1$

素因数の和:15129

約数の個数: 16

約数和(自身を含む): 32469120

約数和(自身を除く): 13740494

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 15031, 30062, 105217, 210434, 1337759, 2675518, 9364313, 18728626]

約数ペア:

[(1, 18728626), (2, 9364313), (7, 2675518), (14, 1337759), (89, 210434), (178, 105217), (623, 30062), (1246, 15031)]