19489379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2711}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 24299520

約数和(自身を除く): 4810141

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2711, 7189, 18977, 35243, 214169, 246701, 1499183, 2784197, 19489379]

約数ペア:

[(1, 19489379), (7, 2784197), (13, 1499183), (79, 246701), (91, 214169), (553, 35243), (1027, 18977), (2711, 7189)]