18857845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3720

約数の個数: 16

約数和(自身を含む): 24360048

約数和(自身を除く): 5502203

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3637, 5185, 18185, 61829, 221857, 309145, 1109285, 3771569, 18857845]

約数ペア:

[(1, 18857845), (5, 3771569), (17, 1109285), (61, 309145), (85, 221857), (305, 61829), (1037, 18185), (3637, 5185)]