19018928

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{6871}}^1$

素因数の和:7052

約数の個数: 20

約数和(自身を含む): 37067568

約数和(自身を除く): 18048640

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 6871, 13742, 27484, 54968, 109936, 1188683, 2377366, 4754732, 9509464, 19018928]

約数ペア:

[(1, 19018928), (2, 9509464), (4, 4754732), (8, 2377366), (16, 1188683), (173, 109936), (346, 54968), (692, 27484), (1384, 13742), (2768, 6871)]