19540105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{577}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 25344144

約数和(自身を除く): 5804039

約数列:

[1, 5, 13, 65, 521, 577, 2605, 2885, 6773, 7501, 33865, 37505, 300617, 1503085, 3908021, 19540105]

約数ペア:

[(1, 19540105), (5, 3908021), (13, 1503085), (65, 300617), (521, 37505), (577, 33865), (2605, 7501), (2885, 6773)]