19747648

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3181}}^1$

素因数の和:3290

約数の個数: 28

約数和(自身を含む): 39603172

約数和(自身を除く): 19855524

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3181, 6208, 6362, 12724, 25448, 50896, 101792, 203584, 308557, 617114, 1234228, 2468456, 4936912, 9873824, 19747648]

約数ペア:

[(1, 19747648), (2, 9873824), (4, 4936912), (8, 2468456), (16, 1234228), (32, 617114), (64, 308557), (97, 203584), (194, 101792), (388, 50896), (776, 25448), (1552, 12724), (3104, 6362), (3181, 6208)]