18471921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20593}}^1$

素因数の和:20632

約数の個数: 16

約数和(自身を含む): 27678336

約数和(自身を除く): 9206415

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 20593, 61779, 267709, 473639, 803127, 1420917, 6157307, 18471921]

約数ペア:

[(1, 18471921), (3, 6157307), (13, 1420917), (23, 803127), (39, 473639), (69, 267709), (299, 61779), (897, 20593)]