18397404

素因数分解:

$2^2\times 3^2\times {\mathrm{511039}}^1$

素因数の和:511049

約数の個数: 18

約数和(自身を含む): 46504640

約数和(自身を除く): 28107236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 511039, 1022078, 1533117, 2044156, 3066234, 4599351, 6132468, 9198702, 18397404]

約数ペア:

[(1, 18397404), (2, 9198702), (3, 6132468), (4, 4599351), (6, 3066234), (9, 2044156), (12, 1533117), (18, 1022078), (36, 511039)]