19977165

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11383}}^1$

素因数の和:11410

約数の個数: 32

約数和(自身を含む): 38250240

約数和(自身を除く): 18273075

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11383, 34149, 56915, 102447, 147979, 170745, 307341, 443937, 512235, 739895, 1331811, 1536705, 2219685, 3995433, 6659055, 19977165]

約数ペア:

[(1, 19977165), (3, 6659055), (5, 3995433), (9, 2219685), (13, 1536705), (15, 1331811), (27, 739895), (39, 512235), (45, 443937), (65, 307341), (117, 170745), (135, 147979), (195, 102447), (351, 56915), (585, 34149), (1755, 11383)]