38928416

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 82605600

約数和(自身を除く): 43677184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1376, 1489, 1634, 2978, 3268, 5956, 6536, 11912, 13072, 23824, 26144, 28291, 47648, 56582, 64027, 113164, 128054, 226328, 256108, 452656, 512216, 905312, 1024432, 1216513, 2048864, 2433026, 4866052, 9732104, 19464208, 38928416]

約数ペア:

[(1, 38928416), (2, 19464208), (4, 9732104), (8, 4866052), (16, 2433026), (19, 2048864), (32, 1216513), (38, 1024432), (43, 905312), (76, 512216), (86, 452656), (152, 256108), (172, 226328), (304, 128054), (344, 113164), (608, 64027), (688, 56582), (817, 47648), (1376, 28291), (1489, 26144), (1634, 23824), (2978, 13072), (3268, 11912), (5956, 6536)]