19375041

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 31744000

約数和(自身を除く): 12368959

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 991, 1029, 2793, 2973, 6517, 6937, 18829, 19551, 20811, 48559, 56487, 131803, 145677, 339913, 395409, 922621, 1019739, 2767863, 6458347, 19375041]

約数ペア:

[(1, 19375041), (3, 6458347), (7, 2767863), (19, 1019739), (21, 922621), (49, 395409), (57, 339913), (133, 145677), (147, 131803), (343, 56487), (399, 48559), (931, 20811), (991, 19551), (1029, 18829), (2793, 6937), (2973, 6517)]