19997055

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34183}}^1$

素因数の和:34207

約数の個数: 24

約数和(自身を含む): 37328928

約数和(自身を除く): 17331873

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34183, 102549, 170915, 307647, 444379, 512745, 1333137, 1538235, 2221895, 3999411, 6665685, 19997055]

約数ペア:

[(1, 19997055), (3, 6665685), (5, 3999411), (9, 2221895), (13, 1538235), (15, 1333137), (39, 512745), (45, 444379), (65, 307647), (117, 170915), (195, 102549), (585, 34183)]