19993766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2029}}^1$

素因数の和:2423

約数の個数: 16

約数和(自身を含む): 32398800

約数和(自身を除く): 12405034

約数列:

[1, 2, 13, 26, 379, 758, 2029, 4058, 4927, 9854, 26377, 52754, 768991, 1537982, 9996883, 19993766]

約数ペア:

[(1, 19993766), (2, 9996883), (13, 1537982), (26, 768991), (379, 52754), (758, 26377), (2029, 9854), (4058, 4927)]