19729126562

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1\times {\mathrm{1249}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 30255120000

約数和(自身を除く): 10525993438

約数列:

[1, 2, 71, 142, 173, 346, 643, 1249, 1286, 2498, 12283, 24566, 45653, 88679, 91306, 111239, 177358, 216077, 222478, 432154, 803107, 1606214, 7897969, 15341467, 15795938, 30682934, 57020597, 114041194, 138937511, 277875022, 9864563281, 19729126562]

約数ペア:

[(1, 19729126562), (2, 9864563281), (71, 277875022), (142, 138937511), (173, 114041194), (346, 57020597), (643, 30682934), (1249, 15795938), (1286, 15341467), (2498, 7897969), (12283, 1606214), (24566, 803107), (45653, 432154), (88679, 222478), (91306, 216077), (111239, 177358)]