19249208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5087}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 21047752

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5087, 10174, 20348, 40696, 55957, 111914, 218741, 223828, 437482, 447656, 874964, 1749928, 2406151, 4812302, 9624604, 19249208]

約数ペア:

[(1, 19249208), (2, 9624604), (4, 4812302), (8, 2406151), (11, 1749928), (22, 874964), (43, 447656), (44, 437482), (86, 223828), (88, 218741), (172, 111914), (344, 55957), (473, 40696), (946, 20348), (1892, 10174), (3784, 5087)]