18776788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 16150412

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2309, 4066, 4618, 8132, 9236, 43871, 87742, 175484, 247063, 494126, 988252, 4694197, 9388394, 18776788]

約数ペア:

[(1, 18776788), (2, 9388394), (4, 4694197), (19, 988252), (38, 494126), (76, 247063), (107, 175484), (214, 87742), (428, 43871), (2033, 9236), (2309, 8132), (4066, 4618)]