19904864

素因数分解:

$2^5\times 7^1\times {\mathrm{88861}}^1$

素因数の和:88878

約数の個数: 24

約数和(自身を含む): 44786448

約数和(自身を除く): 24881584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 88861, 177722, 355444, 622027, 710888, 1244054, 1421776, 2488108, 2843552, 4976216, 9952432, 19904864]

約数ペア:

[(1, 19904864), (2, 9952432), (4, 4976216), (7, 2843552), (8, 2488108), (14, 1421776), (16, 1244054), (28, 710888), (32, 622027), (56, 355444), (112, 177722), (224, 88861)]