19530490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279007}}^1$

素因数の和:279021

約数の個数: 16

約数和(自身を含む): 40177152

約数和(自身を除く): 20646662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279007, 558014, 1395035, 1953049, 2790070, 3906098, 9765245, 19530490]

約数ペア:

[(1, 19530490), (2, 9765245), (5, 3906098), (7, 2790070), (10, 1953049), (14, 1395035), (35, 558014), (70, 279007)]