19982872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27449}}^1$

素因数の和:27475

約数の個数: 32

約数和(自身を含む): 46116000

約数和(自身を除く): 26133128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27449, 54898, 109796, 192143, 219592, 356837, 384286, 713674, 768572, 1427348, 1537144, 2497859, 2854696, 4995718, 9991436, 19982872]

約数ペア:

[(1, 19982872), (2, 9991436), (4, 4995718), (7, 2854696), (8, 2497859), (13, 1537144), (14, 1427348), (26, 768572), (28, 713674), (52, 384286), (56, 356837), (91, 219592), (104, 192143), (182, 109796), (364, 54898), (728, 27449)]