19908084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{683}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 33411084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 683, 694, 1041, 1366, 1388, 2049, 2082, 2429, 2732, 4098, 4164, 4781, 4858, 7287, 8196, 9562, 9716, 14343, 14574, 19124, 28686, 29148, 57372, 237001, 474002, 711003, 948004, 1422006, 1659007, 2844012, 3318014, 4977021, 6636028, 9954042, 19908084]

約数ペア:

[(1, 19908084), (2, 9954042), (3, 6636028), (4, 4977021), (6, 3318014), (7, 2844012), (12, 1659007), (14, 1422006), (21, 948004), (28, 711003), (42, 474002), (84, 237001), (347, 57372), (683, 29148), (694, 28686), (1041, 19124), (1366, 14574), (1388, 14343), (2049, 9716), (2082, 9562), (2429, 8196), (2732, 7287), (4098, 4858), (4164, 4781)]