18840204

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{907}}^1$

素因数の和:1494

約数の個数: 36

約数和(自身を含む): 47758984

約数和(自身を除く): 28918780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 907, 1154, 1731, 1814, 2308, 2721, 3462, 3628, 5193, 5442, 6924, 8163, 10386, 10884, 16326, 20772, 32652, 523339, 1046678, 1570017, 2093356, 3140034, 4710051, 6280068, 9420102, 18840204]

約数ペア:

[(1, 18840204), (2, 9420102), (3, 6280068), (4, 4710051), (6, 3140034), (9, 2093356), (12, 1570017), (18, 1046678), (36, 523339), (577, 32652), (907, 20772), (1154, 16326), (1731, 10884), (1814, 10386), (2308, 8163), (2721, 6924), (3462, 5442), (3628, 5193)]