19517960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6337}}^1$

素因数の和:6366

約数の個数: 64

約数和(自身を含む): 54760320

約数和(自身を除く): 35242360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6337, 12674, 25348, 31685, 44359, 50696, 63370, 69707, 88718, 126740, 139414, 177436, 221795, 253480, 278828, 348535, 354872, 443590, 487949, 557656, 697070, 887180, 975898, 1394140, 1774360, 1951796, 2439745, 2788280, 3903592, 4879490, 9758980, 19517960]

約数ペア:

[(1, 19517960), (2, 9758980), (4, 4879490), (5, 3903592), (7, 2788280), (8, 2439745), (10, 1951796), (11, 1774360), (14, 1394140), (20, 975898), (22, 887180), (28, 697070), (35, 557656), (40, 487949), (44, 443590), (55, 354872), (56, 348535), (70, 278828), (77, 253480), (88, 221795), (110, 177436), (140, 139414), (154, 126740), (220, 88718), (280, 69707), (308, 63370), (385, 50696), (440, 44359), (616, 31685), (770, 25348), (1540, 12674), (3080, 6337)]