18840868

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 33756800

約数和(自身を除く): 14915932

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 436, 547, 1094, 2188, 8611, 17222, 34444, 43213, 59623, 86426, 119246, 172852, 238492, 4710217, 9420434, 18840868]

約数ペア:

[(1, 18840868), (2, 9420434), (4, 4710217), (79, 238492), (109, 172852), (158, 119246), (218, 86426), (316, 59623), (436, 43213), (547, 34444), (1094, 17222), (2188, 8611)]