18389359

素因数分解:

${\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 16

約数和(自身を含む): 20671200

約数和(自身を除く): 2281841

約数列:

[1, 17, 19, 197, 289, 323, 3349, 3743, 4913, 5491, 56933, 63631, 93347, 967861, 1081727, 18389359]

約数ペア:

[(1, 18389359), (17, 1081727), (19, 967861), (197, 93347), (289, 63631), (323, 56933), (3349, 5491), (3743, 4913)]