18873585

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2129}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 32895720

約数和(自身を除く): 14022135

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2129, 2955, 6387, 8865, 10645, 19161, 31935, 95805, 419413, 1258239, 2097065, 3774717, 6291195, 18873585]

約数ペア:

[(1, 18873585), (3, 6291195), (5, 3774717), (9, 2097065), (15, 1258239), (45, 419413), (197, 95805), (591, 31935), (985, 19161), (1773, 10645), (2129, 8865), (2955, 6387)]