18674415

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 17267985

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 79, 85, 103, 135, 153, 237, 255, 309, 395, 459, 515, 711, 765, 927, 1185, 1343, 1545, 1751, 2133, 2295, 2781, 3555, 4029, 4635, 5253, 6715, 8137, 8755, 10665, 12087, 13905, 15759, 20145, 24411, 26265, 36261, 40685, 47277, 60435, 73233, 78795, 122055, 138329, 181305, 219699, 236385, 366165, 414987, 691645, 1098495, 1244961, 2074935, 3734883, 6224805, 18674415]

約数ペア:

[(1, 18674415), (3, 6224805), (5, 3734883), (9, 2074935), (15, 1244961), (17, 1098495), (27, 691645), (45, 414987), (51, 366165), (79, 236385), (85, 219699), (103, 181305), (135, 138329), (153, 122055), (237, 78795), (255, 73233), (309, 60435), (395, 47277), (459, 40685), (515, 36261), (711, 26265), (765, 24411), (927, 20145), (1185, 15759), (1343, 13905), (1545, 12087), (1751, 10665), (2133, 8755), (2295, 8137), (2781, 6715), (3555, 5253), (4029, 4635)]