63781936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{209809}}^1$

素因数の和:209836

約数の個数: 20

約数和(自身を含む): 130082200

約数和(自身を除く): 66300264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 209809, 419618, 839236, 1678472, 3356944, 3986371, 7972742, 15945484, 31890968, 63781936]

約数ペア:

[(1, 63781936), (2, 31890968), (4, 15945484), (8, 7972742), (16, 3986371), (19, 3356944), (38, 1678472), (76, 839236), (152, 419618), (304, 209809)]