19180919

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 20952000

約数和(自身を除く): 1771081

約数列:

[1, 23, 29, 149, 193, 667, 3427, 4321, 4439, 5597, 28757, 99383, 128731, 661411, 833953, 19180919]

約数ペア:

[(1, 19180919), (23, 833953), (29, 661411), (149, 128731), (193, 99383), (667, 28757), (3427, 5597), (4321, 4439)]