19737993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{5807}}^1$

素因数の和:5924

約数の個数: 16

約数和(自身を含む): 28993536

約数和(自身を除く): 9255543

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 5807, 17421, 63877, 191631, 598121, 1794363, 6579331, 19737993]

約数ペア:

[(1, 19737993), (3, 6579331), (11, 1794363), (33, 598121), (103, 191631), (309, 63877), (1133, 17421), (3399, 5807)]