18383222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 17904778

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 199, 209, 221, 247, 286, 323, 374, 398, 418, 442, 494, 646, 2189, 2431, 2587, 2717, 3383, 3553, 3781, 4199, 4378, 4862, 5174, 5434, 6766, 7106, 7562, 8398, 28457, 37213, 41591, 43979, 46189, 49153, 56914, 64277, 74426, 83182, 87958, 92378, 98306, 128554, 483769, 540683, 707047, 835601, 967538, 1081366, 1414094, 1671202, 9191611, 18383222]

約数ペア:

[(1, 18383222), (2, 9191611), (11, 1671202), (13, 1414094), (17, 1081366), (19, 967538), (22, 835601), (26, 707047), (34, 540683), (38, 483769), (143, 128554), (187, 98306), (199, 92378), (209, 87958), (221, 83182), (247, 74426), (286, 64277), (323, 56914), (374, 49153), (398, 46189), (418, 43979), (442, 41591), (494, 37213), (646, 28457), (2189, 8398), (2431, 7562), (2587, 7106), (2717, 6766), (3383, 5434), (3553, 5174), (3781, 4862), (4199, 4378)]