16780724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{11621}}^1$

素因数の和:11663

約数の個数: 18

約数和(自身を含む): 30995874

約数和(自身を除く): 14215150

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 11621, 23242, 46484, 220799, 441598, 883196, 4195181, 8390362, 16780724]

約数ペア:

[(1, 16780724), (2, 8390362), (4, 4195181), (19, 883196), (38, 441598), (76, 220799), (361, 46484), (722, 23242), (1444, 11621)]