19502680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6679}}^1$

素因数の和:6763

約数の個数: 32

約数和(自身を含む): 44488800

約数和(自身を除く): 24986120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6679, 13358, 26716, 33395, 53432, 66790, 133580, 267160, 487567, 975134, 1950268, 2437835, 3900536, 4875670, 9751340, 19502680]

約数ペア:

[(1, 19502680), (2, 9751340), (4, 4875670), (5, 3900536), (8, 2437835), (10, 1950268), (20, 975134), (40, 487567), (73, 267160), (146, 133580), (292, 66790), (365, 53432), (584, 33395), (730, 26716), (1460, 13358), (2920, 6679)]