19898738

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30803}}^1$

素因数の和:30841

約数の個数: 16

約数和(自身を含む): 33268320

約数和(自身を除く): 13369582

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 30803, 61606, 523651, 585257, 1047302, 1170514, 9949369, 19898738]

約数ペア:

[(1, 19898738), (2, 9949369), (17, 1170514), (19, 1047302), (34, 585257), (38, 523651), (323, 61606), (646, 30803)]