1999367312

素因数分解:

$2^4\times {\mathrm{4513}}^1\times {\mathrm{27689}}^1$

素因数の和:32210

約数の個数: 20

約数和(自身を含む): 3874772460

約数和(自身を除く): 1875405148

約数列:

[1, 2, 4, 8, 16, 4513, 9026, 18052, 27689, 36104, 55378, 72208, 110756, 221512, 443024, 124960457, 249920914, 499841828, 999683656, 1999367312]

約数ペア:

[(1, 1999367312), (2, 999683656), (4, 499841828), (8, 249920914), (16, 124960457), (4513, 443024), (9026, 221512), (18052, 110756), (27689, 72208), (36104, 55378)]