19380218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67763}}^1$

素因数の和:67789

約数の個数: 16

約数和(自身を含む): 34153056

約数和(自身を除く): 14772838

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67763, 135526, 745393, 880919, 1490786, 1761838, 9690109, 19380218]

約数ペア:

[(1, 19380218), (2, 9690109), (11, 1761838), (13, 1490786), (22, 880919), (26, 745393), (143, 135526), (286, 67763)]