19949818

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9437}}^1$

素因数の和:9597

約数の個数: 16

約数和(自身を含む): 34429824

約数和(自身を除く): 14480006

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9437, 18874, 66059, 132118, 1424987, 2849974, 9974909, 19949818]

約数ペア:

[(1, 19949818), (2, 9974909), (7, 2849974), (14, 1424987), (151, 132118), (302, 66059), (1057, 18874), (2114, 9437)]