19557356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4133}}^1$

素因数の和:4170

約数の個数: 36

約数和(自身を含む): 42365232

約数和(自身を除く): 22807876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4133, 4732, 8266, 16532, 28931, 53729, 57862, 107458, 115724, 214916, 376103, 698477, 752206, 1396954, 1504412, 2793908, 4889339, 9778678, 19557356]

約数ペア:

[(1, 19557356), (2, 9778678), (4, 4889339), (7, 2793908), (13, 1504412), (14, 1396954), (26, 752206), (28, 698477), (52, 376103), (91, 214916), (169, 115724), (182, 107458), (338, 57862), (364, 53729), (676, 28931), (1183, 16532), (2366, 8266), (4133, 4732)]