19407878

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 34484736

約数和(自身を除く): 15076858

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 301, 313, 602, 626, 721, 1442, 2191, 4382, 4429, 8858, 13459, 26918, 31003, 32239, 62006, 64478, 94213, 188426, 225673, 451346, 1386277, 2772554, 9703939, 19407878]

約数ペア:

[(1, 19407878), (2, 9703939), (7, 2772554), (14, 1386277), (43, 451346), (86, 225673), (103, 188426), (206, 94213), (301, 64478), (313, 62006), (602, 32239), (626, 31003), (721, 26918), (1442, 13459), (2191, 8858), (4382, 4429)]