18824945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 23299920

約数和(自身を除く): 4474975

約数列:

[1, 5, 41, 205, 229, 401, 1145, 2005, 9389, 16441, 46945, 82205, 91829, 459145, 3764989, 18824945]

約数ペア:

[(1, 18824945), (5, 3764989), (41, 459145), (205, 91829), (229, 82205), (401, 46945), (1145, 16441), (2005, 9389)]