18867004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2311}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 35799008

約数和(自身を除く): 16932004

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2311, 4082, 4622, 8164, 9244, 30043, 60086, 120172, 362827, 725654, 1451308, 4716751, 9433502, 18867004]

約数ペア:

[(1, 18867004), (2, 9433502), (4, 4716751), (13, 1451308), (26, 725654), (52, 362827), (157, 120172), (314, 60086), (628, 30043), (2041, 9244), (2311, 8164), (4082, 4622)]