18322707

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 28134400

約数和(自身を除く): 9811693

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 313, 741, 939, 1027, 1501, 3081, 4069, 4503, 5947, 12207, 17841, 19513, 24727, 58539, 74181, 77311, 231933, 321451, 469813, 964353, 1409439, 6107569, 18322707]

約数ペア:

[(1, 18322707), (3, 6107569), (13, 1409439), (19, 964353), (39, 469813), (57, 321451), (79, 231933), (237, 77311), (247, 74181), (313, 58539), (741, 24727), (939, 19513), (1027, 17841), (1501, 12207), (3081, 5947), (4069, 4503)]