19949104

素因数分解:

$2^4\times 7^1\times {\mathrm{178117}}^1$

素因数の和:178132

約数の個数: 20

約数和(自身を含む): 44173264

約数和(自身を除く): 24224160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178117, 356234, 712468, 1246819, 1424936, 2493638, 2849872, 4987276, 9974552, 19949104]

約数ペア:

[(1, 19949104), (2, 9974552), (4, 4987276), (7, 2849872), (8, 2493638), (14, 1424936), (16, 1246819), (28, 712468), (56, 356234), (112, 178117)]