18985212

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{7643}}^1$

素因数の和:7679

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 32382468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 7643, 15286, 22929, 30572, 45858, 68787, 91716, 137574, 175789, 206361, 275148, 351578, 412722, 527367, 703156, 825444, 1054734, 1582101, 2109468, 3164202, 4746303, 6328404, 9492606, 18985212]

約数ペア:

[(1, 18985212), (2, 9492606), (3, 6328404), (4, 4746303), (6, 3164202), (9, 2109468), (12, 1582101), (18, 1054734), (23, 825444), (27, 703156), (36, 527367), (46, 412722), (54, 351578), (69, 275148), (92, 206361), (108, 175789), (138, 137574), (207, 91716), (276, 68787), (414, 45858), (621, 30572), (828, 22929), (1242, 15286), (2484, 7643)]