18163861

素因数分解:

${\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:564

約数の個数: 12

約数和(自身を含む): 19268172

約数和(自身を除く): 1104311

約数列:

[1, 31, 41, 461, 961, 1271, 14291, 18901, 39401, 443021, 585931, 18163861]

約数ペア:

[(1, 18163861), (31, 585931), (41, 443021), (461, 39401), (961, 18901), (1271, 14291)]