19180888

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 17913512

約数列:

[1, 2, 4, 8, 47, 94, 139, 188, 278, 367, 376, 556, 734, 1112, 1468, 2936, 6533, 13066, 17249, 26132, 34498, 51013, 52264, 68996, 102026, 137992, 204052, 408104, 2397611, 4795222, 9590444, 19180888]

約数ペア:

[(1, 19180888), (2, 9590444), (4, 4795222), (8, 2397611), (47, 408104), (94, 204052), (139, 137992), (188, 102026), (278, 68996), (367, 52264), (376, 51013), (556, 34498), (734, 26132), (1112, 17249), (1468, 13066), (2936, 6533)]