18812486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16646074

約数列:

[1, 2, 7, 11, 14, 22, 77, 151, 154, 302, 809, 1057, 1618, 1661, 2114, 3322, 5663, 8899, 11326, 11627, 17798, 23254, 62293, 122159, 124586, 244318, 855113, 1343749, 1710226, 2687498, 9406243, 18812486]

約数ペア:

[(1, 18812486), (2, 9406243), (7, 2687498), (11, 1710226), (14, 1343749), (22, 855113), (77, 244318), (151, 124586), (154, 122159), (302, 62293), (809, 23254), (1057, 17798), (1618, 11627), (1661, 11326), (2114, 8899), (3322, 5663)]