18430040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27103}}^1$

素因数の和:27131

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 25478440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27103, 54206, 108412, 135515, 216824, 271030, 460751, 542060, 921502, 1084120, 1843004, 2303755, 3686008, 4607510, 9215020, 18430040]

約数ペア:

[(1, 18430040), (2, 9215020), (4, 4607510), (5, 3686008), (8, 2303755), (10, 1843004), (17, 1084120), (20, 921502), (34, 542060), (40, 460751), (68, 271030), (85, 216824), (136, 135515), (170, 108412), (340, 54206), (680, 27103)]