12278218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3137}}^1$

素因数の和:3261

約数の個数: 16

約数和(自身を含む): 19581120

約数和(自身を除く): 7302902

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3137, 3914, 6274, 59603, 119206, 323111, 646222, 6139109, 12278218]

約数ペア:

[(1, 12278218), (2, 6139109), (19, 646222), (38, 323111), (103, 119206), (206, 59603), (1957, 6274), (3137, 3914)]