19756814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128291}}^1$

素因数の和:128311

約数の個数: 16

約数和(自身を含む): 36948096

約数和(自身を除く): 17191282

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128291, 256582, 898037, 1411201, 1796074, 2822402, 9878407, 19756814]

約数ペア:

[(1, 19756814), (2, 9878407), (7, 2822402), (11, 1796074), (14, 1411201), (22, 898037), (77, 256582), (154, 128291)]