19816304

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{3907}}^1$

素因数の和:4232

約数の個数: 20

約数和(自身を含む): 38525064

約数和(自身を除く): 18708760

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 3907, 5072, 7814, 15628, 31256, 62512, 1238519, 2477038, 4954076, 9908152, 19816304]

約数ペア:

[(1, 19816304), (2, 9908152), (4, 4954076), (8, 2477038), (16, 1238519), (317, 62512), (634, 31256), (1268, 15628), (2536, 7814), (3907, 5072)]