18763864

素因数分解:

$2^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 41327280

約数和(自身を除く): 22563416

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 151, 196, 302, 317, 392, 604, 634, 1057, 1208, 1268, 2114, 2219, 2536, 4228, 4438, 7399, 8456, 8876, 14798, 15533, 17752, 29596, 31066, 47867, 59192, 62132, 95734, 124264, 191468, 335069, 382936, 670138, 1340276, 2345483, 2680552, 4690966, 9381932, 18763864]

約数ペア:

[(1, 18763864), (2, 9381932), (4, 4690966), (7, 2680552), (8, 2345483), (14, 1340276), (28, 670138), (49, 382936), (56, 335069), (98, 191468), (151, 124264), (196, 95734), (302, 62132), (317, 59192), (392, 47867), (604, 31066), (634, 29596), (1057, 17752), (1208, 15533), (1268, 14798), (2114, 8876), (2219, 8456), (2536, 7399), (4228, 4438)]