19878504

素因数分解:

$2^3\times 3^1\times {\mathrm{541}}^1\times {\mathrm{1531}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 49820640

約数和(自身を除く): 29942136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 541, 1082, 1531, 1623, 2164, 3062, 3246, 4328, 4593, 6124, 6492, 9186, 12248, 12984, 18372, 36744, 828271, 1656542, 2484813, 3313084, 4969626, 6626168, 9939252, 19878504]

約数ペア:

[(1, 19878504), (2, 9939252), (3, 6626168), (4, 4969626), (6, 3313084), (8, 2484813), (12, 1656542), (24, 828271), (541, 36744), (1082, 18372), (1531, 12984), (1623, 12248), (2164, 9186), (3062, 6492), (3246, 6124), (4328, 4593)]