2019979756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 3782016000

約数和(自身を除く): 1762036244

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 401, 802, 839, 1501, 1604, 1678, 3002, 3356, 6004, 7619, 15238, 15941, 30476, 31679, 31882, 63358, 63764, 66281, 126716, 132562, 265124, 336439, 601901, 672878, 1203802, 1259339, 1345756, 2407604, 2518678, 5037356, 6392341, 12784682, 25569364, 26578681, 53157362, 106314724, 504994939, 1009989878, 2019979756]

約数ペア:

[(1, 2019979756), (2, 1009989878), (4, 504994939), (19, 106314724), (38, 53157362), (76, 26578681), (79, 25569364), (158, 12784682), (316, 6392341), (401, 5037356), (802, 2518678), (839, 2407604), (1501, 1345756), (1604, 1259339), (1678, 1203802), (3002, 672878), (3356, 601901), (6004, 336439), (7619, 265124), (15238, 132562), (15941, 126716), (30476, 66281), (31679, 63764), (31882, 63358)]