18393021

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4339}}^1$

素因数の和:4505

約数の個数: 16

約数和(自身を含む): 27428800

約数和(自身を除く): 9035779

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4339, 13017, 39051, 117153, 681223, 2043669, 6131007, 18393021]

約数ペア:

[(1, 18393021), (3, 6131007), (9, 2043669), (27, 681223), (157, 117153), (471, 39051), (1413, 13017), (4239, 4339)]