20218887918

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{929}}^1\times {\mathrm{3863}}^1$

素因数の和:5113

約数の個数: 48

約数和(自身を含む): 44006245920

約数和(自身を除く): 23787358002

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 929, 939, 1858, 1878, 2787, 2817, 3863, 5574, 5634, 7726, 8361, 11589, 16722, 23178, 34767, 69534, 290777, 581554, 872331, 1209119, 1744662, 2418238, 2616993, 3588727, 3627357, 5233986, 7177454, 7254714, 10766181, 10882071, 21532362, 21764142, 32298543, 64597086, 1123271551, 2246543102, 3369814653, 6739629306, 10109443959, 20218887918]

約数ペア:

[(1, 20218887918), (2, 10109443959), (3, 6739629306), (6, 3369814653), (9, 2246543102), (18, 1123271551), (313, 64597086), (626, 32298543), (929, 21764142), (939, 21532362), (1858, 10882071), (1878, 10766181), (2787, 7254714), (2817, 7177454), (3863, 5233986), (5574, 3627357), (5634, 3588727), (7726, 2616993), (8361, 2418238), (11589, 1744662), (16722, 1209119), (23178, 872331), (34767, 581554), (69534, 290777)]