19888288

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4673}}^1$

素因数の和:4709

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 27225632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4673, 9346, 18692, 32711, 37384, 65422, 74768, 88787, 130844, 149536, 177574, 261688, 355148, 523376, 621509, 710296, 1046752, 1243018, 1420592, 2486036, 2841184, 4972072, 9944144, 19888288]

約数ペア:

[(1, 19888288), (2, 9944144), (4, 4972072), (7, 2841184), (8, 2486036), (14, 1420592), (16, 1243018), (19, 1046752), (28, 710296), (32, 621509), (38, 523376), (56, 355148), (76, 261688), (112, 177574), (133, 149536), (152, 130844), (224, 88787), (266, 74768), (304, 65422), (532, 37384), (608, 32711), (1064, 18692), (2128, 9346), (4256, 4673)]