19895031

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56681}}^1$

素因数の和:56703

約数の個数: 16

約数和(自身を含む): 31741920

約数和(自身を除く): 11846889

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56681, 170043, 510129, 736853, 1530387, 2210559, 6631677, 19895031]

約数ペア:

[(1, 19895031), (3, 6631677), (9, 2210559), (13, 1530387), (27, 736853), (39, 510129), (117, 170043), (351, 56681)]