19639873

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 18

約数和(自身を含む): 22473542

約数和(自身を除く): 2833669

約数列:

[1, 11, 29, 121, 193, 319, 841, 2123, 3509, 5597, 9251, 23353, 61567, 101761, 162313, 677237, 1785443, 19639873]

約数ペア:

[(1, 19639873), (11, 1785443), (29, 677237), (121, 162313), (193, 101761), (319, 61567), (841, 23353), (2123, 9251), (3509, 5597)]