18349965

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 33291648

約数和(自身を除く): 14941683

約数列:

[1, 3, 5, 9, 15, 37, 45, 103, 107, 111, 185, 309, 321, 333, 515, 535, 555, 927, 963, 1545, 1605, 1665, 3811, 3959, 4635, 4815, 11021, 11433, 11877, 19055, 19795, 33063, 34299, 35631, 55105, 57165, 59385, 99189, 165315, 171495, 178155, 407777, 495945, 1223331, 2038885, 3669993, 6116655, 18349965]

約数ペア:

[(1, 18349965), (3, 6116655), (5, 3669993), (9, 2038885), (15, 1223331), (37, 495945), (45, 407777), (103, 178155), (107, 171495), (111, 165315), (185, 99189), (309, 59385), (321, 57165), (333, 55105), (515, 35631), (535, 34299), (555, 33063), (927, 19795), (963, 19055), (1545, 11877), (1605, 11433), (1665, 11021), (3811, 4815), (3959, 4635)]