203551408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{669577}}^1$

素因数の和:669604

約数の個数: 20

約数和(自身を含む): 415138360

約数和(自身を除く): 211586952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 669577, 1339154, 2678308, 5356616, 10713232, 12721963, 25443926, 50887852, 101775704, 203551408]

約数ペア:

[(1, 203551408), (2, 101775704), (4, 50887852), (8, 25443926), (16, 12721963), (19, 10713232), (38, 5356616), (76, 2678308), (152, 1339154), (304, 669577)]