19996376

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58129}}^1$

素因数の和:58178

約数の個数: 16

約数和(自身を含む): 38365800

約数和(自身を除く): 18369424

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58129, 116258, 232516, 465032, 2499547, 4999094, 9998188, 19996376]

約数ペア:

[(1, 19996376), (2, 9998188), (4, 4999094), (8, 2499547), (43, 465032), (86, 232516), (172, 116258), (344, 58129)]