19776608

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 40869360

約数和(自身を除く): 21092752

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 101, 116, 202, 211, 232, 404, 422, 464, 808, 844, 928, 1616, 1688, 2929, 3232, 3376, 5858, 6119, 6752, 11716, 12238, 21311, 23432, 24476, 42622, 46864, 48952, 85244, 93728, 97904, 170488, 195808, 340976, 618019, 681952, 1236038, 2472076, 4944152, 9888304, 19776608]

約数ペア:

[(1, 19776608), (2, 9888304), (4, 4944152), (8, 2472076), (16, 1236038), (29, 681952), (32, 618019), (58, 340976), (101, 195808), (116, 170488), (202, 97904), (211, 93728), (232, 85244), (404, 48952), (422, 46864), (464, 42622), (808, 24476), (844, 23432), (928, 21311), (1616, 12238), (1688, 11716), (2929, 6752), (3232, 6119), (3376, 5858)]