18557902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27211}}^1$

素因数の和:27255

約数の個数: 16

約数和(自身を含む): 31348224

約数和(自身を除く): 12790322

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27211, 54422, 299321, 598642, 843541, 1687082, 9278951, 18557902]

約数ペア:

[(1, 18557902), (2, 9278951), (11, 1687082), (22, 843541), (31, 598642), (62, 299321), (341, 54422), (682, 27211)]