19678915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 24788736

約数和(自身を除く): 5109821

約数列:

[1, 5, 23, 115, 211, 811, 1055, 4055, 4853, 18653, 24265, 93265, 171121, 855605, 3935783, 19678915]

約数ペア:

[(1, 19678915), (5, 3935783), (23, 855605), (115, 171121), (211, 93265), (811, 24265), (1055, 18653), (4055, 4853)]