18216656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{66973}}^1$

素因数の和:66998

約数の個数: 20

約数和(自身を含む): 37371492

約数和(自身を除く): 19154836

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 66973, 133946, 267892, 535784, 1071568, 1138541, 2277082, 4554164, 9108328, 18216656]

約数ペア:

[(1, 18216656), (2, 9108328), (4, 4554164), (8, 2277082), (16, 1138541), (17, 1071568), (34, 535784), (68, 267892), (136, 133946), (272, 66973)]