18923164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19179236

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 107, 179, 214, 247, 358, 428, 494, 716, 988, 1391, 2033, 2327, 2782, 3401, 4066, 4654, 5564, 6802, 8132, 9308, 13604, 19153, 26429, 38306, 44213, 52858, 76612, 88426, 105716, 176852, 248989, 363907, 497978, 727814, 995956, 1455628, 4730791, 9461582, 18923164]

約数ペア:

[(1, 18923164), (2, 9461582), (4, 4730791), (13, 1455628), (19, 995956), (26, 727814), (38, 497978), (52, 363907), (76, 248989), (107, 176852), (179, 105716), (214, 88426), (247, 76612), (358, 52858), (428, 44213), (494, 38306), (716, 26429), (988, 19153), (1391, 13604), (2033, 9308), (2327, 8132), (2782, 6802), (3401, 5564), (4066, 4654)]