19656028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{18973}}^1$

素因数の和:19021

約数の個数: 24

約数和(自身を含む): 40376672

約数和(自身を除く): 20720644

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 18973, 37946, 75892, 132811, 265622, 531244, 702001, 1404002, 2808004, 4914007, 9828014, 19656028]

約数ペア:

[(1, 19656028), (2, 9828014), (4, 4914007), (7, 2808004), (14, 1404002), (28, 702001), (37, 531244), (74, 265622), (148, 132811), (259, 75892), (518, 37946), (1036, 18973)]