18753376

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 20086880

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 74, 94, 148, 188, 296, 337, 376, 592, 674, 752, 1184, 1348, 1504, 1739, 2696, 3478, 5392, 6956, 10784, 12469, 13912, 15839, 24938, 27824, 31678, 49876, 55648, 63356, 99752, 126712, 199504, 253424, 399008, 506848, 586043, 1172086, 2344172, 4688344, 9376688, 18753376]

約数ペア:

[(1, 18753376), (2, 9376688), (4, 4688344), (8, 2344172), (16, 1172086), (32, 586043), (37, 506848), (47, 399008), (74, 253424), (94, 199504), (148, 126712), (188, 99752), (296, 63356), (337, 55648), (376, 49876), (592, 31678), (674, 27824), (752, 24938), (1184, 15839), (1348, 13912), (1504, 12469), (1739, 10784), (2696, 6956), (3478, 5392)]