19768424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 20481016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1451, 1703, 2902, 3406, 5804, 6812, 11608, 13624, 18863, 37726, 75452, 150904, 190081, 380162, 760324, 1520648, 2471053, 4942106, 9884212, 19768424]

約数ペア:

[(1, 19768424), (2, 9884212), (4, 4942106), (8, 2471053), (13, 1520648), (26, 760324), (52, 380162), (104, 190081), (131, 150904), (262, 75452), (524, 37726), (1048, 18863), (1451, 13624), (1703, 11608), (2902, 6812), (3406, 5804)]