19995429

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 28956000

約数和(自身を除く): 8960571

約数列:

[1, 3, 19, 37, 57, 111, 361, 499, 703, 1083, 1497, 2109, 9481, 13357, 18463, 28443, 40071, 55389, 180139, 350797, 540417, 1052391, 6665143, 19995429]

約数ペア:

[(1, 19995429), (3, 6665143), (19, 1052391), (37, 540417), (57, 350797), (111, 180139), (361, 55389), (499, 40071), (703, 28443), (1083, 18463), (1497, 13357), (2109, 9481)]