18198612

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 49620480

約数和(自身を除く): 31421868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 709, 713, 828, 1116, 1418, 1426, 2127, 2139, 2836, 2852, 4254, 4278, 6381, 6417, 8508, 8556, 12762, 12834, 16307, 21979, 25524, 25668, 32614, 43958, 48921, 65228, 65937, 87916, 97842, 131874, 146763, 195684, 197811, 263748, 293526, 395622, 505517, 587052, 791244, 1011034, 1516551, 2022068, 3033102, 4549653, 6066204, 9099306, 18198612]

約数ペア:

[(1, 18198612), (2, 9099306), (3, 6066204), (4, 4549653), (6, 3033102), (9, 2022068), (12, 1516551), (18, 1011034), (23, 791244), (31, 587052), (36, 505517), (46, 395622), (62, 293526), (69, 263748), (92, 197811), (93, 195684), (124, 146763), (138, 131874), (186, 97842), (207, 87916), (276, 65937), (279, 65228), (372, 48921), (414, 43958), (558, 32614), (709, 25668), (713, 25524), (828, 21979), (1116, 16307), (1418, 12834), (1426, 12762), (2127, 8556), (2139, 8508), (2836, 6417), (2852, 6381), (4254, 4278)]