16867364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{11681}}^1$

素因数の和:11723

約数の個数: 18

約数和(自身を含む): 31155894

約数和(自身を除く): 14288530

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 11681, 23362, 46724, 221939, 443878, 887756, 4216841, 8433682, 16867364]

約数ペア:

[(1, 16867364), (2, 8433682), (4, 4216841), (19, 887756), (38, 443878), (76, 221939), (361, 46724), (722, 23362), (1444, 11681)]