19249964

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13331}}^1$

素因数の和:13373

約数の個数: 18

約数和(自身を含む): 35556444

約数和(自身を除く): 16306480

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13331, 26662, 53324, 253289, 506578, 1013156, 4812491, 9624982, 19249964]

約数ペア:

[(1, 19249964), (2, 9624982), (4, 4812491), (19, 1013156), (38, 506578), (76, 253289), (361, 53324), (722, 26662), (1444, 13331)]