1820428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 3553200

約数和(自身を除く): 1732772

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 1409, 2818, 5636, 23953, 26771, 47906, 53542, 95812, 107084, 455107, 910214, 1820428]

約数ペア:

[(1, 1820428), (2, 910214), (4, 455107), (17, 107084), (19, 95812), (34, 53542), (38, 47906), (68, 26771), (76, 23953), (323, 5636), (646, 2818), (1292, 1409)]