18920848

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2351}}^1$

素因数の和:2862

約数の個数: 20

約数和(自身を含む): 36747648

約数和(自身を除く): 17826800

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2351, 4024, 4702, 8048, 9404, 18808, 37616, 1182553, 2365106, 4730212, 9460424, 18920848]

約数ペア:

[(1, 18920848), (2, 9460424), (4, 4730212), (8, 2365106), (16, 1182553), (503, 37616), (1006, 18808), (2012, 9404), (2351, 8048), (4024, 4702)]