18056689

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 3232271

約数列:

[1, 7, 43, 239, 251, 301, 1673, 1757, 10277, 10793, 59989, 71939, 75551, 419923, 2579527, 18056689]

約数ペア:

[(1, 18056689), (7, 2579527), (43, 419923), (239, 75551), (251, 71939), (301, 59989), (1673, 10793), (1757, 10277)]