18940389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10333}}^1$

素因数の和:10396

約数の個数: 16

約数和(自身を含む): 27777792

約数和(自身を除く): 8837403

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10333, 30999, 134329, 402987, 485651, 1456953, 6313463, 18940389]

約数ペア:

[(1, 18940389), (3, 6313463), (13, 1456953), (39, 485651), (47, 402987), (141, 134329), (611, 30999), (1833, 10333)]