19986848

素因数分解:

$2^5\times 7^1\times {\mathrm{89227}}^1$

素因数の和:89244

約数の個数: 24

約数和(自身を含む): 44970912

約数和(自身を除く): 24984064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89227, 178454, 356908, 624589, 713816, 1249178, 1427632, 2498356, 2855264, 4996712, 9993424, 19986848]

約数ペア:

[(1, 19986848), (2, 9993424), (4, 4996712), (7, 2855264), (8, 2498356), (14, 1427632), (16, 1249178), (28, 713816), (32, 624589), (56, 356908), (112, 178454), (224, 89227)]