19028737

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3121}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 23777152

約数和(自身を除く): 4748415

約数列:

[1, 7, 13, 67, 91, 469, 871, 3121, 6097, 21847, 40573, 209107, 284011, 1463749, 2718391, 19028737]

約数ペア:

[(1, 19028737), (7, 2718391), (13, 1463749), (67, 284011), (91, 209107), (469, 40573), (871, 21847), (3121, 6097)]