19499909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7177}}^1$

素因数の和:7220

約数の個数: 16

約数和(自身を含む): 24118080

約数和(自身を除く): 4618171

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7177, 78947, 93301, 136363, 1026311, 1499993, 1772719, 19499909]

約数ペア:

[(1, 19499909), (11, 1772719), (13, 1499993), (19, 1026311), (143, 136363), (209, 93301), (247, 78947), (2717, 7177)]