66873616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219979}}^1$

素因数の和:220006

約数の個数: 20

約数和(自身を含む): 136387600

約数和(自身を除く): 69513984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219979, 439958, 879916, 1759832, 3519664, 4179601, 8359202, 16718404, 33436808, 66873616]

約数ペア:

[(1, 66873616), (2, 33436808), (4, 16718404), (8, 8359202), (16, 4179601), (19, 3519664), (38, 1759832), (76, 879916), (152, 439958), (304, 219979)]