18740194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13919006

約数列:

[1, 2, 11, 19, 22, 38, 107, 209, 214, 418, 419, 838, 1177, 2033, 2354, 4066, 4609, 7961, 9218, 15922, 22363, 44726, 44833, 87571, 89666, 175142, 493163, 851827, 986326, 1703654, 9370097, 18740194]

約数ペア:

[(1, 18740194), (2, 9370097), (11, 1703654), (19, 986326), (22, 851827), (38, 493163), (107, 175142), (209, 89666), (214, 87571), (418, 44833), (419, 44726), (838, 22363), (1177, 15922), (2033, 9218), (2354, 7961), (4066, 4609)]