19431368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220811}}^1$

素因数の和:220828

約数の個数: 16

約数和(自身を含む): 39746160

約数和(自身を除く): 20314792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220811, 441622, 883244, 1766488, 2428921, 4857842, 9715684, 19431368]

約数ペア:

[(1, 19431368), (2, 9715684), (4, 4857842), (8, 2428921), (11, 1766488), (22, 883244), (44, 441622), (88, 220811)]