18904624

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{1171}}^1$

素因数の和:2188

約数の個数: 20

約数和(自身を含む): 36695320

約数和(自身を除く): 17790696

約数列:

[1, 2, 4, 8, 16, 1009, 1171, 2018, 2342, 4036, 4684, 8072, 9368, 16144, 18736, 1181539, 2363078, 4726156, 9452312, 18904624]

約数ペア:

[(1, 18904624), (2, 9452312), (4, 4726156), (8, 2363078), (16, 1181539), (1009, 18736), (1171, 16144), (2018, 9368), (2342, 8072), (4036, 4684)]