18550760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6353}}^1$

素因数の和:6437

約数の個数: 32

約数和(自身を含む): 42317640

約数和(自身を除く): 23766880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6353, 12706, 25412, 31765, 50824, 63530, 127060, 254120, 463769, 927538, 1855076, 2318845, 3710152, 4637690, 9275380, 18550760]

約数ペア:

[(1, 18550760), (2, 9275380), (4, 4637690), (5, 3710152), (8, 2318845), (10, 1855076), (20, 927538), (40, 463769), (73, 254120), (146, 127060), (292, 63530), (365, 50824), (584, 31765), (730, 25412), (1460, 12706), (2920, 6353)]