18140444

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4729}}^1$

素因数の和:4877

約数の個数: 24

約数和(自身を含む): 36553440

約数和(自身を除く): 18412996

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 4729, 9458, 18916, 33103, 66206, 132412, 647873, 1295746, 2591492, 4535111, 9070222, 18140444]

約数ペア:

[(1, 18140444), (2, 9070222), (4, 4535111), (7, 2591492), (14, 1295746), (28, 647873), (137, 132412), (274, 66206), (548, 33103), (959, 18916), (1918, 9458), (3836, 4729)]