19804527

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10331}}^1$

素因数の和:10411

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 9951633

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10331, 30993, 92979, 278937, 733501, 2200503, 6601509, 19804527]

約数ペア:

[(1, 19804527), (3, 6601509), (9, 2200503), (27, 733501), (71, 278937), (213, 92979), (639, 30993), (1917, 10331)]