19153797

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 27581568

約数和(自身を除く): 8427771

約数列:

[1, 3, 13, 39, 661, 743, 1983, 2229, 8593, 9659, 25779, 28977, 491123, 1473369, 6384599, 19153797]

約数ペア:

[(1, 19153797), (3, 6384599), (13, 1473369), (39, 491123), (661, 28977), (743, 25779), (1983, 9659), (2229, 8593)]