19902707

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 22617600

約数和(自身を除く): 2714893

約数列:

[1, 11, 37, 79, 407, 619, 869, 2923, 6809, 22903, 32153, 48901, 251933, 537911, 1809337, 19902707]

約数ペア:

[(1, 19902707), (11, 1809337), (37, 537911), (79, 251933), (407, 48901), (619, 32153), (869, 22903), (2923, 6809)]