18835289319

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81538049}}^1$

素因数の和:81538070

約数の個数: 16

約数和(自身を含む): 31310611200

約数和(自身を除く): 12475321881

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81538049, 244614147, 570766343, 896918539, 1712299029, 2690755617, 6278429773, 18835289319]

約数ペア:

[(1, 18835289319), (3, 6278429773), (7, 2690755617), (11, 1712299029), (21, 896918539), (33, 570766343), (77, 244614147), (231, 81538049)]