19947510152

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{268487}}^1$

素因数の和:268781

約数の個数: 32

約数和(自身を含む): 38565616320

約数和(自身を除く): 18618106168

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 2008, 9287, 18574, 37148, 74296, 268487, 536974, 1073948, 2147896, 9934019, 19868038, 39736076, 67390237, 79472152, 134780474, 269560948, 539121896, 2493438769, 4986877538, 9973755076, 19947510152]

約数ペア:

[(1, 19947510152), (2, 9973755076), (4, 4986877538), (8, 2493438769), (37, 539121896), (74, 269560948), (148, 134780474), (251, 79472152), (296, 67390237), (502, 39736076), (1004, 19868038), (2008, 9934019), (9287, 2147896), (18574, 1073948), (37148, 536974), (74296, 268487)]