18637047

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 32728080

約数和(自身を除く): 14091033

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1609, 3861, 4827, 11583, 14481, 17699, 20917, 43443, 53097, 62751, 130329, 159291, 188253, 230087, 477873, 564759, 690261, 1433619, 1694277, 2070783, 6212349, 18637047]

約数ペア:

[(1, 18637047), (3, 6212349), (9, 2070783), (11, 1694277), (13, 1433619), (27, 690261), (33, 564759), (39, 477873), (81, 230087), (99, 188253), (117, 159291), (143, 130329), (297, 62751), (351, 53097), (429, 43443), (891, 20917), (1053, 17699), (1287, 14481), (1609, 11583), (3861, 4827)]