18947256

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 51254400

約数和(自身を除く): 32307144

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1123, 1406, 2109, 2246, 2812, 3369, 4218, 4492, 5624, 6738, 8436, 8984, 13476, 16872, 21337, 26952, 41551, 42674, 64011, 83102, 85348, 124653, 128022, 166204, 170696, 249306, 256044, 332408, 498612, 512088, 789469, 997224, 1578938, 2368407, 3157876, 4736814, 6315752, 9473628, 18947256]

約数ペア:

[(1, 18947256), (2, 9473628), (3, 6315752), (4, 4736814), (6, 3157876), (8, 2368407), (12, 1578938), (19, 997224), (24, 789469), (37, 512088), (38, 498612), (57, 332408), (74, 256044), (76, 249306), (111, 170696), (114, 166204), (148, 128022), (152, 124653), (222, 85348), (228, 83102), (296, 64011), (444, 42674), (456, 41551), (703, 26952), (888, 21337), (1123, 16872), (1406, 13476), (2109, 8984), (2246, 8436), (2812, 6738), (3369, 5624), (4218, 4492)]