18730291540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1\times {\mathrm{4111}}^1$

素因数の和:5728

約数の個数: 48

約数和(自身を含む): 39621060864

約数和(自身を除く): 20890769324

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1451, 1570, 2902, 3140, 4111, 5804, 7255, 8222, 14510, 16444, 20555, 29020, 41110, 82220, 227807, 455614, 645427, 911228, 1139035, 1290854, 2278070, 2581708, 3227135, 4556140, 5965061, 6454270, 11930122, 12908540, 23860244, 29825305, 59650610, 119301220, 936514577, 1873029154, 3746058308, 4682572885, 9365145770, 18730291540]

約数ペア:

[(1, 18730291540), (2, 9365145770), (4, 4682572885), (5, 3746058308), (10, 1873029154), (20, 936514577), (157, 119301220), (314, 59650610), (628, 29825305), (785, 23860244), (1451, 12908540), (1570, 11930122), (2902, 6454270), (3140, 5965061), (4111, 4556140), (5804, 3227135), (7255, 2581708), (8222, 2278070), (14510, 1290854), (16444, 1139035), (20555, 911228), (29020, 645427), (41110, 455614), (82220, 227807)]