18486549

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9923}}^1$

素因数の和:9958

約数の個数: 20

約数和(自身を含む): 28819296

約数和(自身を除く): 10332747

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9923, 29769, 89307, 228229, 267921, 684687, 803763, 2054061, 6162183, 18486549]

約数ペア:

[(1, 18486549), (3, 6162183), (9, 2054061), (23, 803763), (27, 684687), (69, 267921), (81, 228229), (207, 89307), (621, 29769), (1863, 9923)]