19065879

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 32392464

約数和(自身を除く): 13326585

約数列:

[1, 3, 7, 9, 21, 47, 63, 137, 141, 329, 411, 423, 959, 987, 1233, 2209, 2877, 2961, 6439, 6627, 8631, 15463, 19317, 19881, 45073, 46389, 57951, 135219, 139167, 302633, 405657, 907899, 2118431, 2723697, 6355293, 19065879]

約数ペア:

[(1, 19065879), (3, 6355293), (7, 2723697), (9, 2118431), (21, 907899), (47, 405657), (63, 302633), (137, 139167), (141, 135219), (329, 57951), (411, 46389), (423, 45073), (959, 19881), (987, 19317), (1233, 15463), (2209, 8631), (2877, 6627), (2961, 6439)]