19538288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15859}}^1$

素因数の和:15885

約数の個数: 40

約数和(自身を含む): 47199360

約数和(自身を除く): 27661072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 15859, 31718, 63436, 111013, 126872, 174449, 222026, 253744, 348898, 444052, 697796, 888104, 1221143, 1395592, 1776208, 2442286, 2791184, 4884572, 9769144, 19538288]

約数ペア:

[(1, 19538288), (2, 9769144), (4, 4884572), (7, 2791184), (8, 2442286), (11, 1776208), (14, 1395592), (16, 1221143), (22, 888104), (28, 697796), (44, 444052), (56, 348898), (77, 253744), (88, 222026), (112, 174449), (154, 126872), (176, 111013), (308, 63436), (616, 31718), (1232, 15859)]