19123744

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 39044376

約数和(自身を除く): 19920632

約数列:

[1, 2, 4, 8, 16, 32, 61, 97, 101, 122, 194, 202, 244, 388, 404, 488, 776, 808, 976, 1552, 1616, 1952, 3104, 3232, 5917, 6161, 9797, 11834, 12322, 19594, 23668, 24644, 39188, 47336, 49288, 78376, 94672, 98576, 156752, 189344, 197152, 313504, 597617, 1195234, 2390468, 4780936, 9561872, 19123744]

約数ペア:

[(1, 19123744), (2, 9561872), (4, 4780936), (8, 2390468), (16, 1195234), (32, 597617), (61, 313504), (97, 197152), (101, 189344), (122, 156752), (194, 98576), (202, 94672), (244, 78376), (388, 49288), (404, 47336), (488, 39188), (776, 24644), (808, 23668), (976, 19594), (1552, 12322), (1616, 11834), (1952, 9797), (3104, 6161), (3232, 5917)]