19809855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33863}}^1$

素因数の和:33887

約数の個数: 24

約数和(自身を含む): 36979488

約数和(自身を除く): 17169633

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 33863, 101589, 169315, 304767, 440219, 507945, 1320657, 1523835, 2201095, 3961971, 6603285, 19809855]

約数ペア:

[(1, 19809855), (3, 6603285), (5, 3961971), (9, 2201095), (13, 1523835), (15, 1320657), (39, 507945), (45, 440219), (65, 304767), (117, 169315), (195, 101589), (585, 33863)]