17938780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6547}}^1$

素因数の和:6693

約数の個数: 24

約数和(自身を含む): 37952208

約数和(自身を除く): 20013428

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6547, 13094, 26188, 32735, 65470, 130940, 896939, 1793878, 3587756, 4484695, 8969390, 17938780]

約数ペア:

[(1, 17938780), (2, 8969390), (4, 4484695), (5, 3587756), (10, 1793878), (20, 896939), (137, 130940), (274, 65470), (548, 32735), (685, 26188), (1370, 13094), (2740, 6547)]