18707395

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 9659453

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1367, 1955, 2737, 6835, 9569, 13685, 23239, 31441, 47845, 116195, 157205, 162673, 220087, 534497, 813365, 1100435, 2672485, 3741479, 18707395]

約数ペア:

[(1, 18707395), (5, 3741479), (7, 2672485), (17, 1100435), (23, 813365), (35, 534497), (85, 220087), (115, 162673), (119, 157205), (161, 116195), (391, 47845), (595, 31441), (805, 23239), (1367, 13685), (1955, 9569), (2737, 6835)]