18995866

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1$

素因数の和:1293

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 10149734

約数列:

[1, 2, 79, 109, 158, 218, 1103, 2206, 8611, 17222, 87137, 120227, 174274, 240454, 9497933, 18995866]

約数ペア:

[(1, 18995866), (2, 9497933), (79, 240454), (109, 174274), (158, 120227), (218, 87137), (1103, 17222), (2206, 8611)]