18923373

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15809}}^1$

素因数の和:15841

約数の個数: 24

約数和(自身を含む): 32884800

約数和(自身を除く): 13961427

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15809, 47427, 110663, 142281, 300371, 331989, 901113, 995967, 2102597, 2703339, 6307791, 18923373]

約数ペア:

[(1, 18923373), (3, 6307791), (7, 2703339), (9, 2102597), (19, 995967), (21, 901113), (57, 331989), (63, 300371), (133, 142281), (171, 110663), (399, 47427), (1197, 15809)]