19970874

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1601}}^1$

素因数の和:1633

約数の個数: 80

約数和(自身を含む): 55826496

約数和(自身を除く): 35855622

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1601, 1782, 2079, 3202, 4158, 4803, 6237, 9606, 11207, 12474, 14409, 17611, 22414, 28818, 33621, 35222, 43227, 52833, 67242, 86454, 100863, 105666, 123277, 129681, 158499, 201726, 246554, 259362, 302589, 316998, 369831, 475497, 605178, 739662, 907767, 950994, 1109493, 1426491, 1815534, 2218986, 2852982, 3328479, 6656958, 9985437, 19970874]

約数ペア:

[(1, 19970874), (2, 9985437), (3, 6656958), (6, 3328479), (7, 2852982), (9, 2218986), (11, 1815534), (14, 1426491), (18, 1109493), (21, 950994), (22, 907767), (27, 739662), (33, 605178), (42, 475497), (54, 369831), (63, 316998), (66, 302589), (77, 259362), (81, 246554), (99, 201726), (126, 158499), (154, 129681), (162, 123277), (189, 105666), (198, 100863), (231, 86454), (297, 67242), (378, 52833), (462, 43227), (567, 35222), (594, 33621), (693, 28818), (891, 22414), (1134, 17611), (1386, 14409), (1601, 12474), (1782, 11207), (2079, 9606), (3202, 6237), (4158, 4803)]