18311538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2777}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 42136704

約数和(自身を除く): 23825166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 2777, 3297, 5554, 6594, 8331, 16662, 19439, 38878, 58317, 116634, 435989, 871978, 1307967, 2615934, 3051923, 6103846, 9155769, 18311538]

約数ペア:

[(1, 18311538), (2, 9155769), (3, 6103846), (6, 3051923), (7, 2615934), (14, 1307967), (21, 871978), (42, 435989), (157, 116634), (314, 58317), (471, 38878), (942, 19439), (1099, 16662), (2198, 8331), (2777, 6594), (3297, 5554)]