18737823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27965952

約数和(自身を除く): 9228129

約数列:

[1, 3, 13, 39, 67, 71, 101, 201, 213, 303, 871, 923, 1313, 2613, 2769, 3939, 4757, 6767, 7171, 14271, 20301, 21513, 61841, 87971, 93223, 185523, 263913, 279669, 480457, 1441371, 6245941, 18737823]

約数ペア:

[(1, 18737823), (3, 6245941), (13, 1441371), (39, 480457), (67, 279669), (71, 263913), (101, 185523), (201, 93223), (213, 87971), (303, 61841), (871, 21513), (923, 20301), (1313, 14271), (2613, 7171), (2769, 6767), (3939, 4757)]