19952218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69763}}^1$

素因数の和:69789

約数の個数: 16

約数和(自身を含む): 35161056

約数和(自身を除く): 15208838

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69763, 139526, 767393, 906919, 1534786, 1813838, 9976109, 19952218]

約数ペア:

[(1, 19952218), (2, 9976109), (11, 1813838), (13, 1534786), (22, 906919), (26, 767393), (143, 139526), (286, 69763)]