19825660

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2141}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 41743296

約数和(自身を除く): 21917636

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2141, 2315, 4282, 4630, 8564, 9260, 10705, 21410, 42820, 991283, 1982566, 3965132, 4956415, 9912830, 19825660]

約数ペア:

[(1, 19825660), (2, 9912830), (4, 4956415), (5, 3965132), (10, 1982566), (20, 991283), (463, 42820), (926, 21410), (1852, 10705), (2141, 9260), (2315, 8564), (4282, 4630)]