18969393

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 26282880

約数和(自身を除く): 7313487

約数列:

[1, 3, 29, 87, 337, 647, 1011, 1941, 9773, 18763, 29319, 56289, 218039, 654117, 6323131, 18969393]

約数ペア:

[(1, 18969393), (3, 6323131), (29, 654117), (87, 218039), (337, 56289), (647, 29319), (1011, 18763), (1941, 9773)]