18980491796

素因数分解:

$2^2\times 7^1\times {\mathrm{4957}}^1\times {\mathrm{136751}}^1$

素因数の和:141719

約数の個数: 24

約数和(自身を含む): 37968919296

約数和(自身を除く): 18988427500

約数列:

[1, 2, 4, 7, 14, 28, 4957, 9914, 19828, 34699, 69398, 136751, 138796, 273502, 547004, 957257, 1914514, 3829028, 677874707, 1355749414, 2711498828, 4745122949, 9490245898, 18980491796]

約数ペア:

[(1, 18980491796), (2, 9490245898), (4, 4745122949), (7, 2711498828), (14, 1355749414), (28, 677874707), (4957, 3829028), (9914, 1914514), (19828, 957257), (34699, 547004), (69398, 273502), (136751, 138796)]