18843663

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 25920000

約数和(自身を除く): 7076337

約数列:

[1, 3, 47, 107, 141, 321, 1249, 3747, 5029, 15087, 58703, 133643, 176109, 400929, 6281221, 18843663]

約数ペア:

[(1, 18843663), (3, 6281221), (47, 400929), (107, 176109), (141, 133643), (321, 58703), (1249, 15087), (3747, 5029)]