19005694832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{856421}}^1$

素因数の和:856521

約数の個数: 40

約数和(自身を含む): 39292641360

約数和(自身を除く): 20286946528

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1387, 2774, 5548, 11096, 22192, 856421, 1712842, 3425684, 6851368, 13702736, 16271999, 32543998, 62518733, 65087996, 125037466, 130175992, 250074932, 260351984, 500149864, 1000299728, 1187855927, 2375711854, 4751423708, 9502847416, 19005694832]

約数ペア:

[(1, 19005694832), (2, 9502847416), (4, 4751423708), (8, 2375711854), (16, 1187855927), (19, 1000299728), (38, 500149864), (73, 260351984), (76, 250074932), (146, 130175992), (152, 125037466), (292, 65087996), (304, 62518733), (584, 32543998), (1168, 16271999), (1387, 13702736), (2774, 6851368), (5548, 3425684), (11096, 1712842), (22192, 856421)]