18782559

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 29233152

約数和(自身を除く): 10450593

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 2927, 6417, 8781, 26343, 67321, 90737, 201963, 272211, 605889, 816633, 2086951, 6260853, 18782559]

約数ペア:

[(1, 18782559), (3, 6260853), (9, 2086951), (23, 816633), (31, 605889), (69, 272211), (93, 201963), (207, 90737), (279, 67321), (713, 26343), (2139, 8781), (2927, 6417)]