19758973

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2788

約数の個数: 12

約数和(自身を含む): 21901440

約数和(自身を除く): 2142467

約数列:

[1, 13, 43, 169, 559, 2719, 7267, 35347, 116917, 459511, 1519921, 19758973]

約数ペア:

[(1, 19758973), (13, 1519921), (43, 459511), (169, 116917), (559, 35347), (2719, 7267)]