19977759

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 31507840

約数和(自身を除く): 11530081

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4327, 4617, 12981, 38943, 82213, 116829, 246639, 350487, 739917, 1051461, 2219751, 6659253, 19977759]

約数ペア:

[(1, 19977759), (3, 6659253), (9, 2219751), (19, 1051461), (27, 739917), (57, 350487), (81, 246639), (171, 116829), (243, 82213), (513, 38943), (1539, 12981), (4327, 4617)]