19031903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 21322656

約数和(自身を除く): 2290753

約数列:

[1, 11, 73, 137, 173, 803, 1507, 1903, 10001, 12629, 23701, 110011, 138919, 260711, 1730173, 19031903]

約数ペア:

[(1, 19031903), (11, 1730173), (73, 260711), (137, 138919), (173, 110011), (803, 23701), (1507, 12629), (1903, 10001)]