18130047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 28089600

約数和(自身を除く): 9959553

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 569, 741, 817, 1677, 1707, 2451, 7397, 10621, 10811, 22191, 24467, 31863, 32433, 73401, 140543, 318071, 421629, 464873, 954213, 1394619, 6043349, 18130047]

約数ペア:

[(1, 18130047), (3, 6043349), (13, 1394619), (19, 954213), (39, 464873), (43, 421629), (57, 318071), (129, 140543), (247, 73401), (559, 32433), (569, 31863), (741, 24467), (817, 22191), (1677, 10811), (1707, 10621), (2451, 7397)]