18020178

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 27599022

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 99, 138, 198, 207, 253, 297, 414, 506, 594, 621, 759, 1242, 1319, 1518, 2277, 2638, 3957, 4554, 6831, 7914, 11871, 13662, 14509, 23742, 29018, 30337, 35613, 43527, 60674, 71226, 87054, 91011, 130581, 182022, 261162, 273033, 333707, 391743, 546066, 667414, 783486, 819099, 1001121, 1638198, 2002242, 3003363, 6006726, 9010089, 18020178]

約数ペア:

[(1, 18020178), (2, 9010089), (3, 6006726), (6, 3003363), (9, 2002242), (11, 1638198), (18, 1001121), (22, 819099), (23, 783486), (27, 667414), (33, 546066), (46, 391743), (54, 333707), (66, 273033), (69, 261162), (99, 182022), (138, 130581), (198, 91011), (207, 87054), (253, 71226), (297, 60674), (414, 43527), (506, 35613), (594, 30337), (621, 29018), (759, 23742), (1242, 14509), (1319, 13662), (1518, 11871), (2277, 7914), (2638, 6831), (3957, 4554)]