18081260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6599}}^1$

素因数の和:6745

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 20172340

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6599, 13198, 26396, 32995, 65990, 131980, 904063, 1808126, 3616252, 4520315, 9040630, 18081260]

約数ペア:

[(1, 18081260), (2, 9040630), (4, 4520315), (5, 3616252), (10, 1808126), (20, 904063), (137, 131980), (274, 65990), (548, 32995), (685, 26396), (1370, 13198), (2740, 6599)]