19093976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3557}}^1$

素因数の和:3635

約数の個数: 32

約数和(自身を含む): 39707280

約数和(自身を除く): 20613304

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3557, 5368, 7114, 14228, 28456, 39127, 78254, 156508, 216977, 313016, 433954, 867908, 1735816, 2386747, 4773494, 9546988, 19093976]

約数ペア:

[(1, 19093976), (2, 9546988), (4, 4773494), (8, 2386747), (11, 1735816), (22, 867908), (44, 433954), (61, 313016), (88, 216977), (122, 156508), (244, 78254), (488, 39127), (671, 28456), (1342, 14228), (2684, 7114), (3557, 5368)]