19649264

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16823}}^1$

素因数の和:16904

約数の個数: 20

約数和(自身を含む): 38594256

約数和(自身を除く): 18944992

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16823, 33646, 67292, 134584, 269168, 1228079, 2456158, 4912316, 9824632, 19649264]

約数ペア:

[(1, 19649264), (2, 9824632), (4, 4912316), (8, 2456158), (16, 1228079), (73, 269168), (146, 134584), (292, 67292), (584, 33646), (1168, 16823)]