18710848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:591

約数の個数: 56

約数和(自身を含む): 40993568

約数和(自身を除く): 22282720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 523, 559, 688, 832, 1046, 1118, 1376, 2092, 2236, 2752, 4184, 4472, 6799, 8368, 8944, 13598, 16736, 17888, 22489, 27196, 33472, 35776, 44978, 54392, 89956, 108784, 179912, 217568, 292357, 359824, 435136, 584714, 719648, 1169428, 1439296, 2338856, 4677712, 9355424, 18710848]

約数ペア:

[(1, 18710848), (2, 9355424), (4, 4677712), (8, 2338856), (13, 1439296), (16, 1169428), (26, 719648), (32, 584714), (43, 435136), (52, 359824), (64, 292357), (86, 217568), (104, 179912), (172, 108784), (208, 89956), (344, 54392), (416, 44978), (523, 35776), (559, 33472), (688, 27196), (832, 22489), (1046, 17888), (1118, 16736), (1376, 13598), (2092, 8944), (2236, 8368), (2752, 6799), (4184, 4472)]