19317872

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 43065696

約数和(自身を除く): 23747824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 997, 1211, 1384, 1994, 2422, 2768, 3988, 4844, 6979, 7976, 9688, 13958, 15952, 19376, 27916, 55832, 111664, 172481, 344962, 689924, 1207367, 1379848, 2414734, 2759696, 4829468, 9658936, 19317872]

約数ペア:

[(1, 19317872), (2, 9658936), (4, 4829468), (7, 2759696), (8, 2414734), (14, 1379848), (16, 1207367), (28, 689924), (56, 344962), (112, 172481), (173, 111664), (346, 55832), (692, 27916), (997, 19376), (1211, 15952), (1384, 13958), (1994, 9688), (2422, 7976), (2768, 6979), (3988, 4844)]