19975088

素因数分解:

$2^4\times 7^1\times {\mathrm{178349}}^1$

素因数の和:178364

約数の個数: 20

約数和(自身を含む): 44230800

約数和(自身を除く): 24255712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178349, 356698, 713396, 1248443, 1426792, 2496886, 2853584, 4993772, 9987544, 19975088]

約数ペア:

[(1, 19975088), (2, 9987544), (4, 4993772), (7, 2853584), (8, 2496886), (14, 1426792), (16, 1248443), (28, 713396), (56, 356698), (112, 178349)]