19980553952

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{1979}}^1\times {\mathrm{5953}}^1$

素因数の和:7995

約数の個数: 48

約数和(自身を含む): 40105905840

約数和(自身を除く): 20125351888

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 1979, 3958, 5953, 7916, 11906, 15832, 23812, 31664, 47624, 63328, 95248, 104887, 190496, 209774, 315509, 419548, 631018, 839096, 1262036, 1678192, 2524072, 3356384, 5048144, 10096288, 11780987, 23561974, 47123948, 94247896, 188495792, 376991584, 624392311, 1248784622, 2497569244, 4995138488, 9990276976, 19980553952]

約数ペア:

[(1, 19980553952), (2, 9990276976), (4, 4995138488), (8, 2497569244), (16, 1248784622), (32, 624392311), (53, 376991584), (106, 188495792), (212, 94247896), (424, 47123948), (848, 23561974), (1696, 11780987), (1979, 10096288), (3958, 5048144), (5953, 3356384), (7916, 2524072), (11906, 1678192), (15832, 1262036), (23812, 839096), (31664, 631018), (47624, 419548), (63328, 315509), (95248, 209774), (104887, 190496)]