18420684

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 27114036

約数列:

[1, 2, 3, 4, 6, 12, 29, 43, 58, 86, 87, 116, 129, 172, 174, 258, 348, 516, 1231, 1247, 2462, 2494, 3693, 3741, 4924, 4988, 7386, 7482, 14772, 14964, 35699, 52933, 71398, 105866, 107097, 142796, 158799, 211732, 214194, 317598, 428388, 635196, 1535057, 3070114, 4605171, 6140228, 9210342, 18420684]

約数ペア:

[(1, 18420684), (2, 9210342), (3, 6140228), (4, 4605171), (6, 3070114), (12, 1535057), (29, 635196), (43, 428388), (58, 317598), (86, 214194), (87, 211732), (116, 158799), (129, 142796), (172, 107097), (174, 105866), (258, 71398), (348, 52933), (516, 35699), (1231, 14964), (1247, 14772), (2462, 7482), (2494, 7386), (3693, 4988), (3741, 4924)]