19716416

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4422

約数の個数: 28

約数和(自身を含む): 39684960

約数和(自身を除く): 19968544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4339, 4544, 8678, 17356, 34712, 69424, 138848, 277696, 308069, 616138, 1232276, 2464552, 4929104, 9858208, 19716416]

約数ペア:

[(1, 19716416), (2, 9858208), (4, 4929104), (8, 2464552), (16, 1232276), (32, 616138), (64, 308069), (71, 277696), (142, 138848), (284, 69424), (568, 34712), (1136, 17356), (2272, 8678), (4339, 4544)]