19485720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 44536680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 479, 565, 678, 904, 958, 1017, 1130, 1356, 1437, 1695, 1916, 2034, 2260, 2395, 2712, 2874, 3390, 3832, 4068, 4311, 4520, 4790, 5085, 5748, 6780, 7185, 8136, 8622, 9580, 10170, 11496, 13560, 14370, 17244, 19160, 20340, 21555, 28740, 34488, 40680, 43110, 54127, 57480, 86220, 108254, 162381, 172440, 216508, 270635, 324762, 433016, 487143, 541270, 649524, 811905, 974286, 1082540, 1299048, 1623810, 1948572, 2165080, 2435715, 3247620, 3897144, 4871430, 6495240, 9742860, 19485720]

約数ペア:

[(1, 19485720), (2, 9742860), (3, 6495240), (4, 4871430), (5, 3897144), (6, 3247620), (8, 2435715), (9, 2165080), (10, 1948572), (12, 1623810), (15, 1299048), (18, 1082540), (20, 974286), (24, 811905), (30, 649524), (36, 541270), (40, 487143), (45, 433016), (60, 324762), (72, 270635), (90, 216508), (113, 172440), (120, 162381), (180, 108254), (226, 86220), (339, 57480), (360, 54127), (452, 43110), (479, 40680), (565, 34488), (678, 28740), (904, 21555), (958, 20340), (1017, 19160), (1130, 17244), (1356, 14370), (1437, 13560), (1695, 11496), (1916, 10170), (2034, 9580), (2260, 8622), (2395, 8136), (2712, 7185), (2874, 6780), (3390, 5748), (3832, 5085), (4068, 4790), (4311, 4520)]