209803472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{690143}}^1$

素因数の和:690170

約数の個数: 20

約数和(自身を含む): 427889280

約数和(自身を除く): 218085808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 690143, 1380286, 2760572, 5521144, 11042288, 13112717, 26225434, 52450868, 104901736, 209803472]

約数ペア:

[(1, 209803472), (2, 104901736), (4, 52450868), (8, 26225434), (16, 13112717), (19, 11042288), (38, 5521144), (76, 2760572), (152, 1380286), (304, 690143)]