19624641

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 26980800

約数和(自身を除く): 7356159

約数列:

[1, 3, 43, 129, 149, 447, 1021, 3063, 6407, 19221, 43903, 131709, 152129, 456387, 6541547, 19624641]

約数ペア:

[(1, 19624641), (3, 6541547), (43, 456387), (129, 152129), (149, 131709), (447, 43903), (1021, 19221), (3063, 6407)]