18491480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66041}}^1$

素因数の和:66059

約数の個数: 32

約数和(自身を含む): 47550240

約数和(自身を除く): 29058760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66041, 132082, 264164, 330205, 462287, 528328, 660410, 924574, 1320820, 1849148, 2311435, 2641640, 3698296, 4622870, 9245740, 18491480]

約数ペア:

[(1, 18491480), (2, 9245740), (4, 4622870), (5, 3698296), (7, 2641640), (8, 2311435), (10, 1849148), (14, 1320820), (20, 924574), (28, 660410), (35, 528328), (40, 462287), (56, 330205), (70, 264164), (140, 132082), (280, 66041)]