18368500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 48

約数和(自身を含む): 42496272

約数和(自身を除く): 24127772

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2161, 4250, 4322, 8500, 8644, 10805, 21610, 36737, 43220, 54025, 73474, 108050, 146948, 183685, 216100, 270125, 367370, 540250, 734740, 918425, 1080500, 1836850, 3673700, 4592125, 9184250, 18368500]

約数ペア:

[(1, 18368500), (2, 9184250), (4, 4592125), (5, 3673700), (10, 1836850), (17, 1080500), (20, 918425), (25, 734740), (34, 540250), (50, 367370), (68, 270125), (85, 216100), (100, 183685), (125, 146948), (170, 108050), (250, 73474), (340, 54025), (425, 43220), (500, 36737), (850, 21610), (1700, 10805), (2125, 8644), (2161, 8500), (4250, 4322)]