18326680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26951}}^1$

素因数の和:26979

約数の個数: 32

約数和(自身を含む): 43662240

約数和(自身を除く): 25335560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26951, 53902, 107804, 134755, 215608, 269510, 458167, 539020, 916334, 1078040, 1832668, 2290835, 3665336, 4581670, 9163340, 18326680]

約数ペア:

[(1, 18326680), (2, 9163340), (4, 4581670), (5, 3665336), (8, 2290835), (10, 1832668), (17, 1078040), (20, 916334), (34, 539020), (40, 458167), (68, 269510), (85, 215608), (136, 134755), (170, 107804), (340, 53902), (680, 26951)]