19108389

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 26222400

約数和(自身を除く): 7114011

約数列:

[1, 3, 59, 89, 177, 267, 1213, 3639, 5251, 15753, 71567, 107957, 214701, 323871, 6369463, 19108389]

約数ペア:

[(1, 19108389), (3, 6369463), (59, 323871), (89, 214701), (177, 107957), (267, 71567), (1213, 15753), (3639, 5251)]