18800555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 24833952

約数和(自身を除く): 6033397

約数列:

[1, 5, 17, 29, 85, 145, 263, 493, 841, 1315, 2465, 4205, 4471, 7627, 14297, 22355, 38135, 71485, 129659, 221183, 648295, 1105915, 3760111, 18800555]

約数ペア:

[(1, 18800555), (5, 3760111), (17, 1105915), (29, 648295), (85, 221183), (145, 129659), (263, 71485), (493, 38135), (841, 22355), (1315, 14297), (2465, 7627), (4205, 4471)]