18975087

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 29373120

約数和(自身を除く): 10398033

約数列:

[1, 3, 9, 27, 41, 61, 123, 183, 281, 369, 549, 843, 1107, 1647, 2501, 2529, 7503, 7587, 11521, 17141, 22509, 34563, 51423, 67527, 103689, 154269, 311067, 462807, 702781, 2108343, 6325029, 18975087]

約数ペア:

[(1, 18975087), (3, 6325029), (9, 2108343), (27, 702781), (41, 462807), (61, 311067), (123, 154269), (183, 103689), (281, 67527), (369, 51423), (549, 34563), (843, 22509), (1107, 17141), (1647, 11521), (2501, 7587), (2529, 7503)]