19802799

素因数分解:

$3^5\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10074321

約数列:

[1, 3, 9, 27, 81, 227, 243, 359, 681, 1077, 2043, 3231, 6129, 9693, 18387, 29079, 55161, 81493, 87237, 244479, 733437, 2200311, 6600933, 19802799]

約数ペア:

[(1, 19802799), (3, 6600933), (9, 2200311), (27, 733437), (81, 244479), (227, 87237), (243, 81493), (359, 55161), (681, 29079), (1077, 18387), (2043, 9693), (3231, 6129)]