12171856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{40039}}^1$

素因数の和:40066

約数の個数: 20

約数和(自身を含む): 24824800

約数和(自身を除く): 12652944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 40039, 80078, 160156, 320312, 640624, 760741, 1521482, 3042964, 6085928, 12171856]

約数ペア:

[(1, 12171856), (2, 6085928), (4, 3042964), (8, 1521482), (16, 760741), (19, 640624), (38, 320312), (76, 160156), (152, 80078), (304, 40039)]