18419820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{709}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 51767520

約数和(自身を除く): 33347700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 433, 709, 866, 1299, 1418, 1732, 2127, 2165, 2598, 2836, 3545, 4254, 4330, 5196, 6495, 7090, 8508, 8660, 10635, 12990, 14180, 21270, 25980, 42540, 306997, 613994, 920991, 1227988, 1534985, 1841982, 3069970, 3683964, 4604955, 6139940, 9209910, 18419820]

約数ペア:

[(1, 18419820), (2, 9209910), (3, 6139940), (4, 4604955), (5, 3683964), (6, 3069970), (10, 1841982), (12, 1534985), (15, 1227988), (20, 920991), (30, 613994), (60, 306997), (433, 42540), (709, 25980), (866, 21270), (1299, 14180), (1418, 12990), (1732, 10635), (2127, 8660), (2165, 8508), (2598, 7090), (2836, 6495), (3545, 5196), (4254, 4330)]