19993336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 21524744

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3391, 5896, 6782, 13564, 27128, 37301, 74602, 149204, 227197, 298408, 454394, 908788, 1817576, 2499167, 4998334, 9996668, 19993336]

約数ペア:

[(1, 19993336), (2, 9996668), (4, 4998334), (8, 2499167), (11, 1817576), (22, 908788), (44, 454394), (67, 298408), (88, 227197), (134, 149204), (268, 74602), (536, 37301), (737, 27128), (1474, 13564), (2948, 6782), (3391, 5896)]