18912961

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 20563200

約数和(自身を除く): 1650239

約数列:

[1, 19, 67, 83, 179, 1273, 1577, 3401, 5561, 11993, 14857, 105659, 227867, 282283, 995419, 18912961]

約数ペア:

[(1, 18912961), (19, 995419), (67, 282283), (83, 227867), (179, 105659), (1273, 14857), (1577, 11993), (3401, 5561)]