19954548

素因数分解:

$2^2\times 3^2\times {\mathrm{554293}}^1$

素因数の和:554303

約数の個数: 18

約数和(自身を含む): 50440754

約数和(自身を除く): 30486206

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554293, 1108586, 1662879, 2217172, 3325758, 4988637, 6651516, 9977274, 19954548]

約数ペア:

[(1, 19954548), (2, 9977274), (3, 6651516), (4, 4988637), (6, 3325758), (9, 2217172), (12, 1662879), (18, 1108586), (36, 554293)]