2013156918

素因数分解:

$2^1\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{55949}}^1$

素因数の和:57956

約数の個数: 24

約数和(自身を含む): 4364100000

約数和(自身を除く): 2350943082

約数列:

[1, 2, 3, 6, 9, 18, 1999, 3998, 5997, 11994, 17991, 35982, 55949, 111898, 167847, 335694, 503541, 1007082, 111842051, 223684102, 335526153, 671052306, 1006578459, 2013156918]

約数ペア:

[(1, 2013156918), (2, 1006578459), (3, 671052306), (6, 335526153), (9, 223684102), (18, 111842051), (1999, 1007082), (3998, 503541), (5997, 335694), (11994, 167847), (17991, 111898), (35982, 55949)]