19882436

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 54

約数和(自身を含む): 42869358

約数和(自身を除く): 22986922

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 281, 361, 532, 562, 722, 931, 1124, 1444, 1862, 1967, 2527, 3724, 3934, 5054, 5339, 7868, 10108, 10678, 13769, 17689, 21356, 27538, 35378, 37373, 55076, 70756, 74746, 101441, 149492, 202882, 261611, 405764, 523222, 710087, 1046444, 1420174, 2840348, 4970609, 9941218, 19882436]

約数ペア:

[(1, 19882436), (2, 9941218), (4, 4970609), (7, 2840348), (14, 1420174), (19, 1046444), (28, 710087), (38, 523222), (49, 405764), (76, 261611), (98, 202882), (133, 149492), (196, 101441), (266, 74746), (281, 70756), (361, 55076), (532, 37373), (562, 35378), (722, 27538), (931, 21356), (1124, 17689), (1444, 13769), (1862, 10678), (1967, 10108), (2527, 7868), (3724, 5339), (3934, 5054)]