18586780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54667}}^1$

素因数の和:54693

約数の個数: 24

約数和(自身を含む): 41329008

約数和(自身を除く): 22742228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54667, 109334, 218668, 273335, 546670, 929339, 1093340, 1858678, 3717356, 4646695, 9293390, 18586780]

約数ペア:

[(1, 18586780), (2, 9293390), (4, 4646695), (5, 3717356), (10, 1858678), (17, 1093340), (20, 929339), (34, 546670), (68, 273335), (85, 218668), (170, 109334), (340, 54667)]