18417800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5417}}^1$

素因数の和:5450

約数の個数: 48

約数和(自身を含む): 45348660

約数和(自身を除く): 26930860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5417, 10834, 21668, 27085, 43336, 54170, 92089, 108340, 135425, 184178, 216680, 270850, 368356, 460445, 541700, 736712, 920890, 1083400, 1841780, 2302225, 3683560, 4604450, 9208900, 18417800]

約数ペア:

[(1, 18417800), (2, 9208900), (4, 4604450), (5, 3683560), (8, 2302225), (10, 1841780), (17, 1083400), (20, 920890), (25, 736712), (34, 541700), (40, 460445), (50, 368356), (68, 270850), (85, 216680), (100, 184178), (136, 135425), (170, 108340), (200, 92089), (340, 54170), (425, 43336), (680, 27085), (850, 21668), (1700, 10834), (3400, 5417)]