19828237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 23421888

約数和(自身を除く): 3593651

約数列:

[1, 11, 13, 143, 313, 443, 3443, 4069, 4873, 5759, 44759, 63349, 138659, 1525249, 1802567, 19828237]

約数ペア:

[(1, 19828237), (11, 1802567), (13, 1525249), (143, 138659), (313, 63349), (443, 44759), (3443, 5759), (4069, 4873)]