2019447376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6642919}}^1$

素因数の和:6642946

約数の個数: 20

約数和(自身を含む): 4118610400

約数和(自身を除く): 2099163024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6642919, 13285838, 26571676, 53143352, 106286704, 126215461, 252430922, 504861844, 1009723688, 2019447376]

約数ペア:

[(1, 2019447376), (2, 1009723688), (4, 504861844), (8, 252430922), (16, 126215461), (19, 106286704), (38, 53143352), (76, 26571676), (152, 13285838), (304, 6642919)]