1681424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5531}}^1$

素因数の和:5558

約数の個数: 20

約数和(自身を含む): 3429840

約数和(自身を除く): 1748416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5531, 11062, 22124, 44248, 88496, 105089, 210178, 420356, 840712, 1681424]

約数ペア:

[(1, 1681424), (2, 840712), (4, 420356), (8, 210178), (16, 105089), (19, 88496), (38, 44248), (76, 22124), (152, 11062), (304, 5531)]