19782896

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 44101344

約数和(自身を除く): 24318448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1021, 1211, 1384, 2042, 2422, 2768, 4084, 4844, 7147, 8168, 9688, 14294, 16336, 19376, 28588, 57176, 114352, 176633, 353266, 706532, 1236431, 1413064, 2472862, 2826128, 4945724, 9891448, 19782896]

約数ペア:

[(1, 19782896), (2, 9891448), (4, 4945724), (7, 2826128), (8, 2472862), (14, 1413064), (16, 1236431), (28, 706532), (56, 353266), (112, 176633), (173, 114352), (346, 57176), (692, 28588), (1021, 19376), (1211, 16336), (1384, 14294), (2042, 9688), (2422, 8168), (2768, 7147), (4084, 4844)]