19358864

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1$

素因数の和:1503

約数の個数: 40

約数和(自身を含む): 43235328

約数和(自身を除く): 23876464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1361, 1778, 2032, 2722, 3556, 5444, 7112, 9527, 10888, 14224, 19054, 21776, 38108, 76216, 152432, 172847, 345694, 691388, 1209929, 1382776, 2419858, 2765552, 4839716, 9679432, 19358864]

約数ペア:

[(1, 19358864), (2, 9679432), (4, 4839716), (7, 2765552), (8, 2419858), (14, 1382776), (16, 1209929), (28, 691388), (56, 345694), (112, 172847), (127, 152432), (254, 76216), (508, 38108), (889, 21776), (1016, 19054), (1361, 14224), (1778, 10888), (2032, 9527), (2722, 7112), (3556, 5444)]