18425223

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{55331}}^1$

素因数の和:55374

約数の個数: 12

約数和(自身を含む): 27334008

約数和(自身を除く): 8908785

約数列:

[1, 3, 9, 37, 111, 333, 55331, 165993, 497979, 2047247, 6141741, 18425223]

約数ペア:

[(1, 18425223), (3, 6141741), (9, 2047247), (37, 497979), (111, 165993), (333, 55331)]