19878589696

素因数分解:

$2^8\times 7^4\times {\mathrm{32341}}^1$

素因数の和:32385

約数の個数: 90

約数和(自身を含む): 46291460362

約数和(自身を除く): 26412870666

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2401, 2744, 3136, 4802, 5488, 6272, 9604, 10976, 12544, 19208, 21952, 32341, 38416, 43904, 64682, 76832, 87808, 129364, 153664, 226387, 258728, 307328, 452774, 517456, 614656, 905548, 1034912, 1584709, 1811096, 2069824, 3169418, 3622192, 4139648, 6338836, 7244384, 8279296, 11092963, 12677672, 14488768, 22185926, 25355344, 28977536, 44371852, 50710688, 57955072, 77650741, 88743704, 101421376, 155301482, 177487408, 202842752, 310602964, 354974816, 405685504, 621205928, 709949632, 1242411856, 1419899264, 2484823712, 2839798528, 4969647424, 9939294848, 19878589696]

約数ペア:

[(1, 19878589696), (2, 9939294848), (4, 4969647424), (7, 2839798528), (8, 2484823712), (14, 1419899264), (16, 1242411856), (28, 709949632), (32, 621205928), (49, 405685504), (56, 354974816), (64, 310602964), (98, 202842752), (112, 177487408), (128, 155301482), (196, 101421376), (224, 88743704), (256, 77650741), (343, 57955072), (392, 50710688), (448, 44371852), (686, 28977536), (784, 25355344), (896, 22185926), (1372, 14488768), (1568, 12677672), (1792, 11092963), (2401, 8279296), (2744, 7244384), (3136, 6338836), (4802, 4139648), (5488, 3622192), (6272, 3169418), (9604, 2069824), (10976, 1811096), (12544, 1584709), (19208, 1034912), (21952, 905548), (32341, 614656), (38416, 517456), (43904, 452774), (64682, 307328), (76832, 258728), (87808, 226387), (129364, 153664)]