18811814

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2039}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 13501786

約数列:

[1, 2, 7, 14, 659, 1318, 2039, 4078, 4613, 9226, 14273, 28546, 1343701, 2687402, 9405907, 18811814]

約数ペア:

[(1, 18811814), (2, 9405907), (7, 2687402), (14, 1343701), (659, 28546), (1318, 14273), (2039, 9226), (4078, 4613)]