19278285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 33559680

約数和(自身を除く): 14281395

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 907, 1417, 1635, 2721, 4251, 4535, 7085, 11791, 13605, 21255, 35373, 58955, 98863, 176865, 296589, 494315, 1285219, 1482945, 3855657, 6426095, 19278285]

約数ペア:

[(1, 19278285), (3, 6426095), (5, 3855657), (13, 1482945), (15, 1285219), (39, 494315), (65, 296589), (109, 176865), (195, 98863), (327, 58955), (545, 35373), (907, 21255), (1417, 13605), (1635, 11791), (2721, 7085), (4251, 4535)]