19143943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3054

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 4757753

約数列:

[1, 7, 13, 71, 91, 497, 923, 2963, 6461, 20741, 38519, 210373, 269633, 1472611, 2734849, 19143943]

約数ペア:

[(1, 19143943), (7, 2734849), (13, 1472611), (71, 269633), (91, 210373), (497, 38519), (923, 20741), (2963, 6461)]