18729555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 32551680

約数和(自身を除く): 13822125

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 691, 695, 1807, 2073, 2085, 3455, 5421, 8983, 9035, 10365, 26949, 27105, 44915, 96049, 134745, 288147, 480245, 1248637, 1440735, 3745911, 6243185, 18729555]

約数ペア:

[(1, 18729555), (3, 6243185), (5, 3745911), (13, 1440735), (15, 1248637), (39, 480245), (65, 288147), (139, 134745), (195, 96049), (417, 44915), (691, 27105), (695, 26949), (1807, 10365), (2073, 9035), (2085, 8983), (3455, 5421)]