19902876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5779}}^1$

素因数の和:5834

約数の個数: 48

約数和(自身を含む): 54378240

約数和(自身を除く): 34475364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5779, 11558, 17337, 23116, 34674, 40453, 69348, 80906, 121359, 161812, 236939, 242718, 473878, 485436, 710817, 947756, 1421634, 1658573, 2843268, 3317146, 4975719, 6634292, 9951438, 19902876]

約数ペア:

[(1, 19902876), (2, 9951438), (3, 6634292), (4, 4975719), (6, 3317146), (7, 2843268), (12, 1658573), (14, 1421634), (21, 947756), (28, 710817), (41, 485436), (42, 473878), (82, 242718), (84, 236939), (123, 161812), (164, 121359), (246, 80906), (287, 69348), (492, 40453), (574, 34674), (861, 23116), (1148, 17337), (1722, 11558), (3444, 5779)]