821451472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2702143}}^1$

素因数の和:2702170

約数の個数: 20

約数和(自身を含む): 1675329280

約数和(自身を除く): 853877808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2702143, 5404286, 10808572, 21617144, 43234288, 51340717, 102681434, 205362868, 410725736, 821451472]

約数ペア:

[(1, 821451472), (2, 410725736), (4, 205362868), (8, 102681434), (16, 51340717), (19, 43234288), (38, 21617144), (76, 10808572), (152, 5404286), (304, 2702143)]