19948365

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11981}}^1$

素因数の和:12029

約数の個数: 24

約数和(自身を含む): 35514648

約数和(自身を除く): 15566283

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 11981, 35943, 59905, 107829, 179715, 443297, 539145, 1329891, 2216485, 3989673, 6649455, 19948365]

約数ペア:

[(1, 19948365), (3, 6649455), (5, 3989673), (9, 2216485), (15, 1329891), (37, 539145), (45, 443297), (111, 179715), (185, 107829), (333, 59905), (555, 35943), (1665, 11981)]