17953439

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 20989248

約数和(自身を除く): 3035809

約数列:

[1, 7, 97, 137, 193, 679, 959, 1351, 13289, 18721, 26441, 93023, 131047, 185087, 2564777, 17953439]

約数ペア:

[(1, 17953439), (7, 2564777), (97, 185087), (137, 131047), (193, 93023), (679, 26441), (959, 18721), (1351, 13289)]