18990634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6701}}^1$

素因数の和:6825

約数の個数: 16

約数和(自身を含む): 30963240

約数和(自身を除く): 11972606

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6701, 13402, 87113, 174226, 730409, 1460818, 9495317, 18990634]

約数ペア:

[(1, 18990634), (2, 9495317), (13, 1460818), (26, 730409), (109, 174226), (218, 87113), (1417, 13402), (2834, 6701)]