19975745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5683}}^1$

素因数の和:5744

約数の個数: 16

約数和(自身を含む): 25919040

約数和(自身を除く): 5943295

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 5683, 28415, 107977, 210271, 539885, 1051355, 3995149, 19975745]

約数ペア:

[(1, 19975745), (5, 3995149), (19, 1051355), (37, 539885), (95, 210271), (185, 107977), (703, 28415), (3515, 5683)]