19205451

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13421}}^1$

素因数の和:13483

約数の個数: 16

約数和(自身を含む): 28991520

約数和(自身を除く): 9786069

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13421, 40263, 120789, 362367, 711313, 2133939, 6401817, 19205451]

約数ペア:

[(1, 19205451), (3, 6401817), (9, 2133939), (27, 711313), (53, 362367), (159, 120789), (477, 40263), (1431, 13421)]