18593421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80491}}^1$

素因数の和:80512

約数の個数: 16

約数和(自身を含む): 30908928

約数和(自身を除く): 12315507

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80491, 241473, 563437, 885401, 1690311, 2656203, 6197807, 18593421]

約数ペア:

[(1, 18593421), (3, 6197807), (7, 2656203), (11, 1690311), (21, 885401), (33, 563437), (77, 241473), (231, 80491)]