18166863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 31352832

約数和(自身を除く): 13185969

約数列:

[1, 3, 11, 13, 17, 33, 39, 47, 51, 53, 141, 143, 159, 187, 221, 429, 517, 561, 583, 611, 663, 689, 799, 901, 1551, 1749, 1833, 2067, 2397, 2431, 2491, 2703, 6721, 7293, 7473, 7579, 8789, 9911, 10387, 11713, 20163, 22737, 26367, 27401, 29733, 31161, 32383, 35139, 42347, 82203, 97149, 114257, 127041, 128843, 342771, 356213, 386529, 465817, 550511, 1068639, 1397451, 1651533, 6055621, 18166863]

約数ペア:

[(1, 18166863), (3, 6055621), (11, 1651533), (13, 1397451), (17, 1068639), (33, 550511), (39, 465817), (47, 386529), (51, 356213), (53, 342771), (141, 128843), (143, 127041), (159, 114257), (187, 97149), (221, 82203), (429, 42347), (517, 35139), (561, 32383), (583, 31161), (611, 29733), (663, 27401), (689, 26367), (799, 22737), (901, 20163), (1551, 11713), (1749, 10387), (1833, 9911), (2067, 8789), (2397, 7579), (2431, 7473), (2491, 7293), (2703, 6721)]