18868947

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4483}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 26688768

約数和(自身を除く): 7819821

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4483, 13449, 103109, 273463, 309327, 820389, 6289649, 18868947]

約数ペア:

[(1, 18868947), (3, 6289649), (23, 820389), (61, 309327), (69, 273463), (183, 103109), (1403, 13449), (4209, 4483)]