18933237

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{7879}}^1$

素因数の和:7977

約数の個数: 16

約数和(自身を含む): 28368000

約数和(自身を除く): 9434763

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 7879, 23637, 70911, 212733, 701231, 2103693, 6311079, 18933237]

約数ペア:

[(1, 18933237), (3, 6311079), (9, 2103693), (27, 701231), (89, 212733), (267, 70911), (801, 23637), (2403, 7879)]