15631984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51421}}^1$

素因数の和:51448

約数の個数: 20

約数和(自身を含む): 31881640

約数和(自身を除く): 16249656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51421, 102842, 205684, 411368, 822736, 976999, 1953998, 3907996, 7815992, 15631984]

約数ペア:

[(1, 15631984), (2, 7815992), (4, 3907996), (8, 1953998), (16, 976999), (19, 822736), (38, 411368), (76, 205684), (152, 102842), (304, 51421)]