18984618

素因数分解:

$2^1\times 3^6\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 56

約数和(自身を含む): 44266500

約数和(自身を除く): 25281882

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 243, 261, 449, 486, 522, 729, 783, 898, 1347, 1458, 1566, 2349, 2694, 4041, 4698, 7047, 8082, 12123, 13021, 14094, 21141, 24246, 26042, 36369, 39063, 42282, 72738, 78126, 109107, 117189, 218214, 234378, 327321, 351567, 654642, 703134, 1054701, 2109402, 3164103, 6328206, 9492309, 18984618]

約数ペア:

[(1, 18984618), (2, 9492309), (3, 6328206), (6, 3164103), (9, 2109402), (18, 1054701), (27, 703134), (29, 654642), (54, 351567), (58, 327321), (81, 234378), (87, 218214), (162, 117189), (174, 109107), (243, 78126), (261, 72738), (449, 42282), (486, 39063), (522, 36369), (729, 26042), (783, 24246), (898, 21141), (1347, 14094), (1458, 13021), (1566, 12123), (2349, 8082), (2694, 7047), (4041, 4698)]