19958156716

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{9802631}}^1$

素因数の和:9803144

約数の個数: 12

約数和(自身を含む): 34995396240

約数和(自身を除く): 15037239524

約数列:

[1, 2, 4, 509, 1018, 2036, 9802631, 19605262, 39210524, 4989539179, 9979078358, 19958156716]

約数ペア:

[(1, 19958156716), (2, 9979078358), (4, 4989539179), (509, 39210524), (1018, 19605262), (2036, 9802631)]