19921291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1367}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 3061109

約数列:

[1, 13, 19, 59, 247, 767, 1121, 1367, 14573, 17771, 25973, 80653, 337649, 1048489, 1532407, 19921291]

約数ペア:

[(1, 19921291), (13, 1532407), (19, 1048489), (59, 337649), (247, 80653), (767, 25973), (1121, 17771), (1367, 14573)]