18971739

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 28737072

約数和(自身を除く): 9765333

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 773, 909, 2319, 2727, 6957, 8181, 20871, 24543, 62613, 78073, 187839, 234219, 702657, 2107971, 6323913, 18971739]

約数ペア:

[(1, 18971739), (3, 6323913), (9, 2107971), (27, 702657), (81, 234219), (101, 187839), (243, 78073), (303, 62613), (773, 24543), (909, 20871), (2319, 8181), (2727, 6957)]