19276371

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 28916784

約数和(自身を除く): 9640413

約数列:

[1, 3, 9, 37, 107, 111, 321, 333, 541, 963, 1623, 3959, 4869, 11877, 20017, 35631, 57887, 60051, 173661, 180153, 520983, 2141819, 6425457, 19276371]

約数ペア:

[(1, 19276371), (3, 6425457), (9, 2141819), (37, 520983), (107, 180153), (111, 173661), (321, 60051), (333, 57887), (541, 35631), (963, 20017), (1623, 11877), (3959, 4869)]