18220182009

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{16603}}^1$

素因数の和:16877

約数の個数: 32

約数和(自身を含む): 25529247744

約数和(自身を除く): 7309065735

約数列:

[1, 3, 43, 47, 129, 141, 181, 543, 2021, 6063, 7783, 8507, 16603, 23349, 25521, 49809, 365801, 713929, 780341, 1097403, 2141787, 2341023, 3005143, 9015429, 33554663, 100663989, 129221149, 141241721, 387663447, 423725163, 6073394003, 18220182009]

約数ペア:

[(1, 18220182009), (3, 6073394003), (43, 423725163), (47, 387663447), (129, 141241721), (141, 129221149), (181, 100663989), (543, 33554663), (2021, 9015429), (6063, 3005143), (7783, 2341023), (8507, 2141787), (16603, 1097403), (23349, 780341), (25521, 713929), (49809, 365801)]