18996495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 15936753

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 227, 681, 797, 1135, 1589, 2391, 3405, 3985, 4767, 5579, 7945, 11955, 16737, 23835, 27895, 83685, 180919, 542757, 904595, 1266433, 2713785, 3799299, 6332165, 18996495]

約数ペア:

[(1, 18996495), (3, 6332165), (5, 3799299), (7, 2713785), (15, 1266433), (21, 904595), (35, 542757), (105, 180919), (227, 83685), (681, 27895), (797, 23835), (1135, 16737), (1589, 11955), (2391, 7945), (3405, 5579), (3985, 4767)]