19943745

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28289}}^1$

素因数の和:28344

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 12646335

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28289, 84867, 141445, 424335, 1329583, 3988749, 6647915, 19943745]

約数ペア:

[(1, 19943745), (3, 6647915), (5, 3988749), (15, 1329583), (47, 424335), (141, 141445), (235, 84867), (705, 28289)]