19692531

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 32064000

約数和(自身を除く): 12371469

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1669, 3933, 5007, 11799, 15021, 31711, 38387, 45063, 95133, 115161, 285399, 345483, 729353, 856197, 1036449, 2188059, 6564177, 19692531]

約数ペア:

[(1, 19692531), (3, 6564177), (9, 2188059), (19, 1036449), (23, 856197), (27, 729353), (57, 345483), (69, 285399), (171, 115161), (207, 95133), (437, 45063), (513, 38387), (621, 31711), (1311, 15021), (1669, 11799), (3933, 5007)]