19431520

素因数分解:

$2^5\times 5^1\times {\mathrm{121447}}^1$

素因数の和:121462

約数の個数: 24

約数和(自身を含む): 45907344

約数和(自身を除く): 26475824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121447, 242894, 485788, 607235, 971576, 1214470, 1943152, 2428940, 3886304, 4857880, 9715760, 19431520]

約数ペア:

[(1, 19431520), (2, 9715760), (4, 4857880), (5, 3886304), (8, 2428940), (10, 1943152), (16, 1214470), (20, 971576), (32, 607235), (40, 485788), (80, 242894), (160, 121447)]