18810006

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72907}}^1$

素因数の和:72955

約数の個数: 16

約数和(自身を含む): 38495424

約数和(自身を除く): 19685418

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72907, 145814, 218721, 437442, 3135001, 6270002, 9405003, 18810006]

約数ペア:

[(1, 18810006), (2, 9405003), (3, 6270002), (6, 3135001), (43, 437442), (86, 218721), (129, 145814), (258, 72907)]