19735020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109639}}^1$

素因数の和:109654

約数の個数: 36

約数和(自身を含む): 59863440

約数和(自身を除く): 40128420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109639, 219278, 328917, 438556, 548195, 657834, 986751, 1096390, 1315668, 1644585, 1973502, 2192780, 3289170, 3947004, 4933755, 6578340, 9867510, 19735020]

約数ペア:

[(1, 19735020), (2, 9867510), (3, 6578340), (4, 4933755), (5, 3947004), (6, 3289170), (9, 2192780), (10, 1973502), (12, 1644585), (15, 1315668), (18, 1096390), (20, 986751), (30, 657834), (36, 548195), (45, 438556), (60, 328917), (90, 219278), (180, 109639)]