18672354

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 23609886

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 279, 307, 327, 558, 614, 654, 921, 981, 1842, 1962, 2763, 3379, 5526, 6758, 9517, 10137, 19034, 20274, 28551, 30411, 33463, 57102, 60822, 66926, 85653, 100389, 171306, 200778, 301167, 602334, 1037353, 2074706, 3112059, 6224118, 9336177, 18672354]

約数ペア:

[(1, 18672354), (2, 9336177), (3, 6224118), (6, 3112059), (9, 2074706), (18, 1037353), (31, 602334), (62, 301167), (93, 200778), (109, 171306), (186, 100389), (218, 85653), (279, 66926), (307, 60822), (327, 57102), (558, 33463), (614, 30411), (654, 28551), (921, 20274), (981, 19034), (1842, 10137), (1962, 9517), (2763, 6758), (3379, 5526)]