19972617

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23197}}^1$

素因数の和:23248

約数の個数: 16

約数和(自身を含む): 31178112

約数和(自身を除く): 11205495

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23197, 69591, 162379, 487137, 951077, 2853231, 6657539, 19972617]

約数ペア:

[(1, 19972617), (3, 6657539), (7, 2853231), (21, 951077), (41, 487137), (123, 162379), (287, 69591), (861, 23197)]