18518796

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{13903}}^1$

素因数の和:13950

約数の個数: 36

約数和(自身を含む): 48080032

約数和(自身を除く): 29561236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 13903, 27806, 41709, 55612, 83418, 125127, 166836, 250254, 500508, 514411, 1028822, 1543233, 2057644, 3086466, 4629699, 6172932, 9259398, 18518796]

約数ペア:

[(1, 18518796), (2, 9259398), (3, 6172932), (4, 4629699), (6, 3086466), (9, 2057644), (12, 1543233), (18, 1028822), (36, 514411), (37, 500508), (74, 250254), (111, 166836), (148, 125127), (222, 83418), (333, 55612), (444, 41709), (666, 27806), (1332, 13903)]