19798208

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4357}}^1$

素因数の和:4440

約数の個数: 28

約数和(自身を含む): 39849552

約数和(自身を除く): 20051344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4357, 4544, 8714, 17428, 34856, 69712, 139424, 278848, 309347, 618694, 1237388, 2474776, 4949552, 9899104, 19798208]

約数ペア:

[(1, 19798208), (2, 9899104), (4, 4949552), (8, 2474776), (16, 1237388), (32, 618694), (64, 309347), (71, 278848), (142, 139424), (284, 69712), (568, 34856), (1136, 17428), (2272, 8714), (4357, 4544)]