19218836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 42542976

約数和(自身を除く): 23324140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1427, 1924, 2854, 3367, 5708, 6734, 9989, 13468, 18551, 19978, 37102, 39956, 52799, 74204, 105598, 129857, 211196, 259714, 369593, 519428, 686387, 739186, 1372774, 1478372, 2745548, 4804709, 9609418, 19218836]

約数ペア:

[(1, 19218836), (2, 9609418), (4, 4804709), (7, 2745548), (13, 1478372), (14, 1372774), (26, 739186), (28, 686387), (37, 519428), (52, 369593), (74, 259714), (91, 211196), (148, 129857), (182, 105598), (259, 74204), (364, 52799), (481, 39956), (518, 37102), (962, 19978), (1036, 18551), (1427, 13468), (1924, 9989), (2854, 6734), (3367, 5708)]