1919940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 5866560

約数和(自身を除く): 3946620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2909, 5818, 8727, 11636, 14545, 17454, 29090, 31999, 34908, 43635, 58180, 63998, 87270, 95997, 127996, 159995, 174540, 191994, 319990, 383988, 479985, 639980, 959970, 1919940]

約数ペア:

[(1, 1919940), (2, 959970), (3, 639980), (4, 479985), (5, 383988), (6, 319990), (10, 191994), (11, 174540), (12, 159995), (15, 127996), (20, 95997), (22, 87270), (30, 63998), (33, 58180), (44, 43635), (55, 34908), (60, 31999), (66, 29090), (110, 17454), (132, 14545), (165, 11636), (220, 8727), (330, 5818), (660, 2909)]