18886317

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{743}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 26010240

約数和(自身を除く): 7123923

約数列:

[1, 3, 37, 111, 229, 687, 743, 2229, 8473, 25419, 27491, 82473, 170147, 510441, 6295439, 18886317]

約数ペア:

[(1, 18886317), (3, 6295439), (37, 510441), (111, 170147), (229, 82473), (687, 27491), (743, 25419), (2229, 8473)]