2087690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18979}}^1$

素因数の和:18997

約数の個数: 16

約数和(自身を含む): 4099680

約数和(自身を除く): 2011990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18979, 37958, 94895, 189790, 208769, 417538, 1043845, 2087690]

約数ペア:

[(1, 2087690), (2, 1043845), (5, 417538), (10, 208769), (11, 189790), (22, 94895), (55, 37958), (110, 18979)]