19820547

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 29531840

約数和(自身を除く): 9711293

約数列:

[1, 3, 9, 61, 79, 183, 237, 457, 549, 711, 1371, 4113, 4819, 14457, 27877, 36103, 43371, 83631, 108309, 250893, 324927, 2202283, 6606849, 19820547]

約数ペア:

[(1, 19820547), (3, 6606849), (9, 2202283), (61, 324927), (79, 250893), (183, 108309), (237, 83631), (457, 43371), (549, 36103), (711, 27877), (1371, 14457), (4113, 4819)]