19701693

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3373}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 31580640

約数和(自身を除く): 11878947

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3373, 5841, 10119, 30357, 37103, 111309, 199007, 333927, 597021, 1791063, 2189077, 6567231, 19701693]

約数ペア:

[(1, 19701693), (3, 6567231), (9, 2189077), (11, 1791063), (33, 597021), (59, 333927), (99, 199007), (177, 111309), (531, 37103), (649, 30357), (1947, 10119), (3373, 5841)]