17929884021

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19855907}}^1$

素因数の和:19855960

約数の個数: 16

約数和(自身を含む): 27957118464

約数和(自身を除く): 10027234443

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 19855907, 59567721, 138991349, 416974047, 853804001, 2561412003, 5976628007, 17929884021]

約数ペア:

[(1, 17929884021), (3, 5976628007), (7, 2561412003), (21, 853804001), (43, 416974047), (129, 138991349), (301, 59567721), (903, 19855907)]