19929351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10230009

約数列:

[1, 3, 13, 29, 39, 67, 87, 201, 263, 377, 789, 871, 1131, 1943, 2613, 3419, 5829, 7627, 10257, 17621, 22881, 25259, 52863, 75777, 99151, 229073, 297453, 511009, 687219, 1533027, 6643117, 19929351]

約数ペア:

[(1, 19929351), (3, 6643117), (13, 1533027), (29, 687219), (39, 511009), (67, 297453), (87, 229073), (201, 99151), (263, 75777), (377, 52863), (789, 25259), (871, 22881), (1131, 17621), (1943, 10257), (2613, 7627), (3419, 5829)]