19191568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 42747264

約数和(自身を除く): 23555696

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 431, 484, 506, 862, 968, 1012, 1724, 1936, 2024, 2783, 3448, 4048, 4741, 5566, 6896, 9482, 9913, 11132, 18964, 19826, 22264, 37928, 39652, 44528, 52151, 75856, 79304, 104302, 109043, 158608, 208604, 218086, 417208, 436172, 834416, 872344, 1199473, 1744688, 2398946, 4797892, 9595784, 19191568]

約数ペア:

[(1, 19191568), (2, 9595784), (4, 4797892), (8, 2398946), (11, 1744688), (16, 1199473), (22, 872344), (23, 834416), (44, 436172), (46, 417208), (88, 218086), (92, 208604), (121, 158608), (176, 109043), (184, 104302), (242, 79304), (253, 75856), (368, 52151), (431, 44528), (484, 39652), (506, 37928), (862, 22264), (968, 19826), (1012, 18964), (1724, 11132), (1936, 9913), (2024, 9482), (2783, 6896), (3448, 5566), (4048, 4741)]