18821465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17033}}^1$

素因数の和:17068

約数の個数: 16

約数和(自身を含む): 25755408

約数和(自身を除く): 6933943

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17033, 85165, 221429, 289561, 1107145, 1447805, 3764293, 18821465]

約数ペア:

[(1, 18821465), (5, 3764293), (13, 1447805), (17, 1107145), (65, 289561), (85, 221429), (221, 85165), (1105, 17033)]