26720878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{6827}}^1$

素因数の和:6951

約数の個数: 16

約数和(自身を含む): 42606720

約数和(自身を除く): 15885842

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 6827, 13654, 129713, 259426, 703181, 1406362, 13360439, 26720878]

約数ペア:

[(1, 26720878), (2, 13360439), (19, 1406362), (38, 703181), (103, 259426), (206, 129713), (1957, 13654), (3914, 6827)]