18994008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71947}}^1$

素因数の和:71967

約数の個数: 32

約数和(自身を含む): 51802560

約数和(自身を除く): 32808552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 71947, 143894, 215841, 287788, 431682, 575576, 791417, 863364, 1582834, 1726728, 2374251, 3165668, 4748502, 6331336, 9497004, 18994008]

約数ペア:

[(1, 18994008), (2, 9497004), (3, 6331336), (4, 4748502), (6, 3165668), (8, 2374251), (11, 1726728), (12, 1582834), (22, 863364), (24, 791417), (33, 575576), (44, 431682), (66, 287788), (88, 215841), (132, 143894), (264, 71947)]