18509960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66107}}^1$

素因数の和:66125

約数の個数: 32

約数和(自身を含む): 47597760

約数和(自身を除く): 29087800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66107, 132214, 264428, 330535, 462749, 528856, 661070, 925498, 1322140, 1850996, 2313745, 2644280, 3701992, 4627490, 9254980, 18509960]

約数ペア:

[(1, 18509960), (2, 9254980), (4, 4627490), (5, 3701992), (7, 2644280), (8, 2313745), (10, 1850996), (14, 1322140), (20, 925498), (28, 661070), (35, 528856), (40, 462749), (56, 330535), (70, 264428), (140, 132214), (280, 66107)]