19388320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2473}}^1$

素因数の和:2502

約数の個数: 72

約数和(自身を含む): 53304804

約数和(自身を除く): 33916484

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2473, 3920, 4946, 7840, 9892, 12365, 17311, 19784, 24730, 34622, 39568, 49460, 69244, 79136, 86555, 98920, 121177, 138488, 173110, 197840, 242354, 276976, 346220, 395680, 484708, 553952, 605885, 692440, 969416, 1211770, 1384880, 1938832, 2423540, 2769760, 3877664, 4847080, 9694160, 19388320]

約数ペア:

[(1, 19388320), (2, 9694160), (4, 4847080), (5, 3877664), (7, 2769760), (8, 2423540), (10, 1938832), (14, 1384880), (16, 1211770), (20, 969416), (28, 692440), (32, 605885), (35, 553952), (40, 484708), (49, 395680), (56, 346220), (70, 276976), (80, 242354), (98, 197840), (112, 173110), (140, 138488), (160, 121177), (196, 98920), (224, 86555), (245, 79136), (280, 69244), (392, 49460), (490, 39568), (560, 34622), (784, 24730), (980, 19784), (1120, 17311), (1568, 12365), (1960, 9892), (2473, 7840), (3920, 4946)]