19323591

素因数分解:

$3^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 11204409

約数列:

[1, 3, 7, 21, 49, 89, 147, 211, 267, 343, 623, 633, 1029, 1477, 1869, 4361, 4431, 10339, 13083, 18779, 30527, 31017, 56337, 72373, 91581, 131453, 217119, 394359, 920171, 2760513, 6441197, 19323591]

約数ペア:

[(1, 19323591), (3, 6441197), (7, 2760513), (21, 920171), (49, 394359), (89, 217119), (147, 131453), (211, 91581), (267, 72373), (343, 56337), (623, 31017), (633, 30527), (1029, 18779), (1477, 13083), (1869, 10339), (4361, 4431)]