18555320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9467}}^1$

素因数の和:9492

約数の個数: 48

約数和(自身を含む): 48570840

約数和(自身を除く): 30015520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9467, 18934, 37868, 47335, 66269, 75736, 94670, 132538, 189340, 265076, 331345, 378680, 463883, 530152, 662690, 927766, 1325380, 1855532, 2319415, 2650760, 3711064, 4638830, 9277660, 18555320]

約数ペア:

[(1, 18555320), (2, 9277660), (4, 4638830), (5, 3711064), (7, 2650760), (8, 2319415), (10, 1855532), (14, 1325380), (20, 927766), (28, 662690), (35, 530152), (40, 463883), (49, 378680), (56, 331345), (70, 265076), (98, 189340), (140, 132538), (196, 94670), (245, 75736), (280, 66269), (392, 47335), (490, 37868), (980, 18934), (1960, 9467)]