19091259

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 31039008

約数和(自身を除く): 11947749

約数列:

[1, 3, 9, 11, 33, 47, 99, 121, 141, 363, 373, 423, 517, 1089, 1119, 1551, 3357, 4103, 4653, 5687, 12309, 17061, 17531, 36927, 45133, 51183, 52593, 135399, 157779, 192841, 406197, 578523, 1735569, 2121251, 6363753, 19091259]

約数ペア:

[(1, 19091259), (3, 6363753), (9, 2121251), (11, 1735569), (33, 578523), (47, 406197), (99, 192841), (121, 157779), (141, 135399), (363, 52593), (373, 51183), (423, 45133), (517, 36927), (1089, 17531), (1119, 17061), (1551, 12309), (3357, 5687), (4103, 4653)]