18937184

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5007

約数の個数: 48

約数和(自身を含む): 45124128

約数和(自身を除く): 26186944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 4973, 9946, 19892, 34811, 39784, 69622, 79568, 84541, 139244, 159136, 169082, 278488, 338164, 556976, 591787, 676328, 1113952, 1183574, 1352656, 2367148, 2705312, 4734296, 9468592, 18937184]

約数ペア:

[(1, 18937184), (2, 9468592), (4, 4734296), (7, 2705312), (8, 2367148), (14, 1352656), (16, 1183574), (17, 1113952), (28, 676328), (32, 591787), (34, 556976), (56, 338164), (68, 278488), (112, 169082), (119, 159136), (136, 139244), (224, 84541), (238, 79568), (272, 69622), (476, 39784), (544, 34811), (952, 19892), (1904, 9946), (3808, 4973)]