19902728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5693}}^1$

素因数の和:5741

約数の個数: 32

約数和(自身を含む): 40996800

約数和(自身を除く): 21094072

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5693, 11386, 22772, 45544, 108167, 130939, 216334, 261878, 432668, 523756, 865336, 1047512, 2487841, 4975682, 9951364, 19902728]

約数ペア:

[(1, 19902728), (2, 9951364), (4, 4975682), (8, 2487841), (19, 1047512), (23, 865336), (38, 523756), (46, 432668), (76, 261878), (92, 216334), (152, 130939), (184, 108167), (437, 45544), (874, 22772), (1748, 11386), (3496, 5693)]