19701915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57107}}^1$

素因数の和:57138

約数の個数: 16

約数和(自身を含む): 32894208

約数和(自身を除く): 13192293

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 57107, 171321, 285535, 856605, 1313461, 3940383, 6567305, 19701915]

約数ペア:

[(1, 19701915), (3, 6567305), (5, 3940383), (15, 1313461), (23, 856605), (69, 285535), (115, 171321), (345, 57107)]