19895612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2143}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 38180352

約数和(自身を除く): 18284740

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2143, 2321, 4286, 4642, 8572, 9284, 23573, 47146, 94292, 452173, 904346, 1808692, 4973903, 9947806, 19895612]

約数ペア:

[(1, 19895612), (2, 9947806), (4, 4973903), (11, 1808692), (22, 904346), (44, 452173), (211, 94292), (422, 47146), (844, 23573), (2143, 9284), (2321, 8572), (4286, 4642)]