19910368

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{6991}}^1$

素因数の和:7090

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 19734272

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 6991, 13982, 27964, 55928, 111856, 223712, 622199, 1244398, 2488796, 4977592, 9955184, 19910368]

約数ペア:

[(1, 19910368), (2, 9955184), (4, 4977592), (8, 2488796), (16, 1244398), (32, 622199), (89, 223712), (178, 111856), (356, 55928), (712, 27964), (1424, 13982), (2848, 6991)]