18966745

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6529}}^1$

素因数の和:6624

約数の個数: 16

約数和(自身を含む): 26328960

約数和(自身を除く): 7362215

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6529, 32645, 45703, 228515, 541907, 2709535, 3793349, 18966745]

約数ペア:

[(1, 18966745), (5, 3793349), (7, 2709535), (35, 541907), (83, 228515), (415, 45703), (581, 32645), (2905, 6529)]