1958990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1619}}^1$

素因数の和:1648

約数の個数: 24

約数和(自身を含む): 3878280

約数和(自身を除く): 1919290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1619, 3238, 8095, 16190, 17809, 35618, 89045, 178090, 195899, 391798, 979495, 1958990]

約数ペア:

[(1, 1958990), (2, 979495), (5, 391798), (10, 195899), (11, 178090), (22, 89045), (55, 35618), (110, 17809), (121, 16190), (242, 8095), (605, 3238), (1210, 1619)]