19555408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64327}}^1$

素因数の和:64354

約数の個数: 20

約数和(自身を含む): 39883360

約数和(自身を除く): 20327952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64327, 128654, 257308, 514616, 1029232, 1222213, 2444426, 4888852, 9777704, 19555408]

約数ペア:

[(1, 19555408), (2, 9777704), (4, 4888852), (8, 2444426), (16, 1222213), (19, 1029232), (38, 514616), (76, 257308), (152, 128654), (304, 64327)]