19491804

素因数分解:

$2^2\times 3^2\times {\mathrm{541439}}^1$

素因数の和:541449

約数の個数: 18

約数和(自身を含む): 49271040

約数和(自身を除く): 29779236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541439, 1082878, 1624317, 2165756, 3248634, 4872951, 6497268, 9745902, 19491804]

約数ペア:

[(1, 19491804), (2, 9745902), (3, 6497268), (4, 4872951), (6, 3248634), (9, 2165756), (12, 1624317), (18, 1082878), (36, 541439)]