18795960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 42980040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 479, 545, 654, 872, 958, 981, 1090, 1308, 1437, 1635, 1916, 1962, 2180, 2395, 2616, 2874, 3270, 3832, 3924, 4311, 4360, 4790, 4905, 5748, 6540, 7185, 7848, 8622, 9580, 9810, 11496, 13080, 14370, 17244, 19160, 19620, 21555, 28740, 34488, 39240, 43110, 52211, 57480, 86220, 104422, 156633, 172440, 208844, 261055, 313266, 417688, 469899, 522110, 626532, 783165, 939798, 1044220, 1253064, 1566330, 1879596, 2088440, 2349495, 3132660, 3759192, 4698990, 6265320, 9397980, 18795960]

約数ペア:

[(1, 18795960), (2, 9397980), (3, 6265320), (4, 4698990), (5, 3759192), (6, 3132660), (8, 2349495), (9, 2088440), (10, 1879596), (12, 1566330), (15, 1253064), (18, 1044220), (20, 939798), (24, 783165), (30, 626532), (36, 522110), (40, 469899), (45, 417688), (60, 313266), (72, 261055), (90, 208844), (109, 172440), (120, 156633), (180, 104422), (218, 86220), (327, 57480), (360, 52211), (436, 43110), (479, 39240), (545, 34488), (654, 28740), (872, 21555), (958, 19620), (981, 19160), (1090, 17244), (1308, 14370), (1437, 13080), (1635, 11496), (1916, 9810), (1962, 9580), (2180, 8622), (2395, 7848), (2616, 7185), (2874, 6540), (3270, 5748), (3832, 4905), (3924, 4790), (4311, 4360)]