18804947890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{103889}}^1$

素因数の和:104706

約数の個数: 32

約数和(自身を含む): 35365818240

約数和(自身を除く): 16560870350

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 787, 1574, 3935, 7870, 18101, 36202, 90505, 103889, 181010, 207778, 519445, 1038890, 2389447, 4778894, 11947235, 23894470, 81760643, 163521286, 408803215, 817606430, 1880494789, 3760989578, 9402473945, 18804947890]

約数ペア:

[(1, 18804947890), (2, 9402473945), (5, 3760989578), (10, 1880494789), (23, 817606430), (46, 408803215), (115, 163521286), (230, 81760643), (787, 23894470), (1574, 11947235), (3935, 4778894), (7870, 2389447), (18101, 1038890), (36202, 519445), (90505, 207778), (103889, 181010)]