18186091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 22786560

約数和(自身を除く): 4600469

約数列:

[1, 7, 11, 77, 257, 919, 1799, 2827, 6433, 10109, 19789, 70763, 236183, 1653281, 2598013, 18186091]

約数ペア:

[(1, 18186091), (7, 2598013), (11, 1653281), (77, 236183), (257, 70763), (919, 19789), (1799, 10109), (2827, 6433)]