18504387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 29293680

約数和(自身を除く): 10789293

約数列:

[1, 3, 9, 11, 33, 99, 409, 457, 1227, 1371, 3681, 4113, 4499, 5027, 13497, 15081, 40491, 45243, 186913, 560739, 1682217, 2056043, 6168129, 18504387]

約数ペア:

[(1, 18504387), (3, 6168129), (9, 2056043), (11, 1682217), (33, 560739), (99, 186913), (409, 45243), (457, 40491), (1227, 15081), (1371, 13497), (3681, 5027), (4113, 4499)]