18516870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{68581}}^1$

素因数の和:68597

約数の個数: 32

約数和(自身を含む): 49379040

約数和(自身を除く): 30862170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 68581, 137162, 205743, 342905, 411486, 617229, 685810, 1028715, 1234458, 1851687, 2057430, 3086145, 3703374, 6172290, 9258435, 18516870]

約数ペア:

[(1, 18516870), (2, 9258435), (3, 6172290), (5, 3703374), (6, 3086145), (9, 2057430), (10, 1851687), (15, 1234458), (18, 1028715), (27, 685810), (30, 617229), (45, 411486), (54, 342905), (90, 205743), (135, 137162), (270, 68581)]