18089838

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 44009280

約数和(自身を除く): 25919442

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 353, 438, 657, 702, 706, 949, 1059, 1314, 1898, 1971, 2118, 2847, 3177, 3942, 4589, 5694, 6354, 8541, 9178, 9531, 13767, 17082, 19062, 25623, 25769, 27534, 41301, 51246, 51538, 77307, 82602, 123903, 154614, 231921, 247806, 334997, 463842, 669994, 695763, 1004991, 1391526, 2009982, 3014973, 6029946, 9044919, 18089838]

約数ペア:

[(1, 18089838), (2, 9044919), (3, 6029946), (6, 3014973), (9, 2009982), (13, 1391526), (18, 1004991), (26, 695763), (27, 669994), (39, 463842), (54, 334997), (73, 247806), (78, 231921), (117, 154614), (146, 123903), (219, 82602), (234, 77307), (351, 51538), (353, 51246), (438, 41301), (657, 27534), (702, 25769), (706, 25623), (949, 19062), (1059, 17082), (1314, 13767), (1898, 9531), (1971, 9178), (2118, 8541), (2847, 6354), (3177, 5694), (3942, 4589)]