19884429

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 29742752

約数和(自身を除く): 9858323

約数列:

[1, 3, 9, 37, 111, 211, 283, 333, 633, 849, 1899, 2547, 7807, 10471, 23421, 31413, 59713, 70263, 94239, 179139, 537417, 2209381, 6628143, 19884429]

約数ペア:

[(1, 19884429), (3, 6628143), (9, 2209381), (37, 537417), (111, 179139), (211, 94239), (283, 70263), (333, 59713), (633, 31413), (849, 23421), (1899, 10471), (2547, 7807)]