19805932321

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1\times {\mathrm{63113}}^1$

素因数の和:63600

約数の個数: 16

約数和(自身を含む): 22878572544

約数和(自身を除く): 3072640223

約数列:

[1, 7, 127, 353, 889, 2471, 44831, 63113, 313817, 441791, 8015351, 22278889, 56107457, 155952223, 2829418903, 19805932321]

約数ペア:

[(1, 19805932321), (7, 2829418903), (127, 155952223), (353, 56107457), (889, 22278889), (2471, 8015351), (44831, 441791), (63113, 313817)]