19738738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{991}}^1$

素因数の和:1449

約数の個数: 16

約数和(自身を含む): 30998016

約数和(自身を除く): 11259278

約数列:

[1, 2, 23, 46, 433, 866, 991, 1982, 9959, 19918, 22793, 45586, 429103, 858206, 9869369, 19738738]

約数ペア:

[(1, 19738738), (2, 9869369), (23, 858206), (46, 429103), (433, 45586), (866, 22793), (991, 19918), (1982, 9959)]