19827180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12239}}^1$

素因数の和:12260

約数の個数: 60

約数和(自身を含む): 62203680

約数和(自身を除く): 42376500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12239, 24478, 36717, 48956, 61195, 73434, 110151, 122390, 146868, 183585, 220302, 244780, 330453, 367170, 440604, 550755, 660906, 734340, 991359, 1101510, 1321812, 1652265, 1982718, 2203020, 3304530, 3965436, 4956795, 6609060, 9913590, 19827180]

約数ペア:

[(1, 19827180), (2, 9913590), (3, 6609060), (4, 4956795), (5, 3965436), (6, 3304530), (9, 2203020), (10, 1982718), (12, 1652265), (15, 1321812), (18, 1101510), (20, 991359), (27, 734340), (30, 660906), (36, 550755), (45, 440604), (54, 367170), (60, 330453), (81, 244780), (90, 220302), (108, 183585), (135, 146868), (162, 122390), (180, 110151), (270, 73434), (324, 61195), (405, 48956), (540, 36717), (810, 24478), (1620, 12239)]