18475136

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 20594944

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 64, 74, 83, 94, 128, 148, 166, 188, 296, 332, 376, 592, 664, 752, 1184, 1328, 1504, 1739, 2368, 2656, 3008, 3071, 3478, 3901, 4736, 5312, 6016, 6142, 6956, 7802, 10624, 12284, 13912, 15604, 24568, 27824, 31208, 49136, 55648, 62416, 98272, 111296, 124832, 144337, 196544, 222592, 249664, 288674, 393088, 499328, 577348, 1154696, 2309392, 4618784, 9237568, 18475136]

約数ペア:

[(1, 18475136), (2, 9237568), (4, 4618784), (8, 2309392), (16, 1154696), (32, 577348), (37, 499328), (47, 393088), (64, 288674), (74, 249664), (83, 222592), (94, 196544), (128, 144337), (148, 124832), (166, 111296), (188, 98272), (296, 62416), (332, 55648), (376, 49136), (592, 31208), (664, 27824), (752, 24568), (1184, 15604), (1328, 13912), (1504, 12284), (1739, 10624), (2368, 7802), (2656, 6956), (3008, 6142), (3071, 6016), (3478, 5312), (3901, 4736)]