19887954352

素因数分解:

$2^4\times 7^1\times {\mathrm{177571021}}^1$

素因数の和:177571036

約数の個数: 20

約数和(自身を含む): 44037613456

約数和(自身を除く): 24149659104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177571021, 355142042, 710284084, 1242997147, 1420568168, 2485994294, 2841136336, 4971988588, 9943977176, 19887954352]

約数ペア:

[(1, 19887954352), (2, 9943977176), (4, 4971988588), (7, 2841136336), (8, 2485994294), (14, 1420568168), (16, 1242997147), (28, 710284084), (56, 355142042), (112, 177571021)]