19751185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 24791040

約数和(自身を除く): 5039855

約数列:

[1, 5, 31, 79, 155, 395, 1613, 2449, 8065, 12245, 50003, 127427, 250015, 637135, 3950237, 19751185]

約数ペア:

[(1, 19751185), (5, 3950237), (31, 637135), (79, 250015), (155, 127427), (395, 50003), (1613, 12245), (2449, 8065)]