19788273

素因数分解:

$3^3\times {\mathrm{367}}^1\times {\mathrm{1997}}^1$

素因数の和:2373

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 9622287

約数列:

[1, 3, 9, 27, 367, 1101, 1997, 3303, 5991, 9909, 17973, 53919, 732899, 2198697, 6596091, 19788273]

約数ペア:

[(1, 19788273), (3, 6596091), (9, 2198697), (27, 732899), (367, 53919), (1101, 17973), (1997, 9909), (3303, 5991)]