19837376

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 56

約数和(自身を含む): 42970704

約数和(自身を除く): 23133328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 208, 211, 226, 416, 422, 452, 832, 844, 904, 1469, 1688, 1808, 2743, 2938, 3376, 3616, 5486, 5876, 6752, 7232, 10972, 11752, 13504, 21944, 23504, 23843, 43888, 47008, 47686, 87776, 94016, 95372, 175552, 190744, 309959, 381488, 619918, 762976, 1239836, 1525952, 2479672, 4959344, 9918688, 19837376]

約数ペア:

[(1, 19837376), (2, 9918688), (4, 4959344), (8, 2479672), (13, 1525952), (16, 1239836), (26, 762976), (32, 619918), (52, 381488), (64, 309959), (104, 190744), (113, 175552), (208, 95372), (211, 94016), (226, 87776), (416, 47686), (422, 47008), (452, 43888), (832, 23843), (844, 23504), (904, 21944), (1469, 13504), (1688, 11752), (1808, 10972), (2743, 7232), (2938, 6752), (3376, 5876), (3616, 5486)]