19139617

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 22746112

約数和(自身を除く): 3606495

約数列:

[1, 7, 31, 193, 217, 457, 1351, 3199, 5983, 14167, 41881, 88201, 99169, 617407, 2734231, 19139617]

約数ペア:

[(1, 19139617), (7, 2734231), (31, 617407), (193, 99169), (217, 88201), (457, 41881), (1351, 14167), (3199, 5983)]