18768380

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2557}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 39536448

約数和(自身を除く): 20768068

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2557, 3670, 5114, 7340, 10228, 12785, 25570, 51140, 938419, 1876838, 3753676, 4692095, 9384190, 18768380]

約数ペア:

[(1, 18768380), (2, 9384190), (4, 4692095), (5, 3753676), (10, 1876838), (20, 938419), (367, 51140), (734, 25570), (1468, 12785), (1835, 10228), (2557, 7340), (3670, 5114)]