19855544

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 38232000

約数和(自身を除く): 18376456

約数列:

[1, 2, 4, 8, 79, 89, 158, 178, 316, 353, 356, 632, 706, 712, 1412, 2824, 7031, 14062, 27887, 28124, 31417, 55774, 56248, 62834, 111548, 125668, 223096, 251336, 2481943, 4963886, 9927772, 19855544]

約数ペア:

[(1, 19855544), (2, 9927772), (4, 4963886), (8, 2481943), (79, 251336), (89, 223096), (158, 125668), (178, 111548), (316, 62834), (353, 56248), (356, 55774), (632, 31417), (706, 28124), (712, 27887), (1412, 14062), (2824, 7031)]