19159856480

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{272777}}^1$

素因数の和:273231

約数の個数: 48

約数和(自身を含む): 45368436960

約数和(自身を除く): 26208580480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 35120, 70240, 272777, 545554, 1091108, 1363885, 2182216, 2727770, 4364432, 5455540, 8728864, 10911080, 21822160, 43644320, 119749103, 239498206, 478996412, 598745515, 957992824, 1197491030, 1915985648, 2394982060, 3831971296, 4789964120, 9579928240, 19159856480]

約数ペア:

[(1, 19159856480), (2, 9579928240), (4, 4789964120), (5, 3831971296), (8, 2394982060), (10, 1915985648), (16, 1197491030), (20, 957992824), (32, 598745515), (40, 478996412), (80, 239498206), (160, 119749103), (439, 43644320), (878, 21822160), (1756, 10911080), (2195, 8728864), (3512, 5455540), (4390, 4364432), (7024, 2727770), (8780, 2182216), (14048, 1363885), (17560, 1091108), (35120, 545554), (70240, 272777)]