18925192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 23531768

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 233, 284, 286, 466, 568, 572, 781, 923, 932, 1144, 1562, 1846, 1864, 2563, 3029, 3124, 3692, 5126, 6058, 6248, 7384, 10153, 10252, 12116, 16543, 20306, 20504, 24232, 33086, 33319, 40612, 66172, 66638, 81224, 132344, 133276, 181973, 215059, 266552, 363946, 430118, 727892, 860236, 1455784, 1720472, 2365649, 4731298, 9462596, 18925192]

約数ペア:

[(1, 18925192), (2, 9462596), (4, 4731298), (8, 2365649), (11, 1720472), (13, 1455784), (22, 860236), (26, 727892), (44, 430118), (52, 363946), (71, 266552), (88, 215059), (104, 181973), (142, 133276), (143, 132344), (233, 81224), (284, 66638), (286, 66172), (466, 40612), (568, 33319), (572, 33086), (781, 24232), (923, 20504), (932, 20306), (1144, 16543), (1562, 12116), (1846, 10252), (1864, 10153), (2563, 7384), (3029, 6248), (3124, 6058), (3692, 5126)]