2018714890

素因数分解:

$2^1\times 5^1\times {\mathrm{9901}}^1\times {\mathrm{20389}}^1$

素因数の和:30297

約数の個数: 16

約数和(自身を含む): 3634232040

約数和(自身を除く): 1615517150

約数列:

[1, 2, 5, 10, 9901, 19802, 20389, 40778, 49505, 99010, 101945, 203890, 201871489, 403742978, 1009357445, 2018714890]

約数ペア:

[(1, 2018714890), (2, 1009357445), (5, 403742978), (10, 201871489), (9901, 203890), (19802, 101945), (20389, 99010), (40778, 49505)]