19957196831

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{29437}}^1$

素因数の和:29903

約数の個数: 24

約数和(自身を含む): 23679456192

約数和(自身を除く): 3722259361

約数列:

[1, 11, 13, 121, 143, 431, 1573, 4741, 5603, 29437, 52151, 61633, 323807, 382681, 677963, 3561877, 4209491, 12687347, 46304401, 139560817, 164935511, 1535168987, 1814290621, 19957196831]

約数ペア:

[(1, 19957196831), (11, 1814290621), (13, 1535168987), (121, 164935511), (143, 139560817), (431, 46304401), (1573, 12687347), (4741, 4209491), (5603, 3561877), (29437, 677963), (52151, 382681), (61633, 323807)]