18481144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 39616920

約数和(自身を除く): 21135776

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 397, 506, 529, 794, 1012, 1058, 1588, 2024, 2116, 3176, 4232, 4367, 5819, 8734, 9131, 11638, 17468, 18262, 23276, 34936, 36524, 46552, 73048, 100441, 200882, 210013, 401764, 420026, 803528, 840052, 1680104, 2310143, 4620286, 9240572, 18481144]

約数ペア:

[(1, 18481144), (2, 9240572), (4, 4620286), (8, 2310143), (11, 1680104), (22, 840052), (23, 803528), (44, 420026), (46, 401764), (88, 210013), (92, 200882), (184, 100441), (253, 73048), (397, 46552), (506, 36524), (529, 34936), (794, 23276), (1012, 18262), (1058, 17468), (1588, 11638), (2024, 9131), (2116, 8734), (3176, 5819), (4232, 4367)]