19979223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16363}}^1$

素因数の和:16414

約数の個数: 16

約数和(自身を含む): 29847936

約数和(自身を除く): 9868713

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16363, 49089, 179993, 539979, 605431, 1816293, 6659741, 19979223]

約数ペア:

[(1, 19979223), (3, 6659741), (11, 1816293), (33, 605431), (37, 539979), (111, 179993), (407, 49089), (1221, 16363)]