17894960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 44744160

約数和(自身を除く): 26849200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 193, 244, 304, 305, 380, 386, 488, 610, 760, 772, 965, 976, 1159, 1220, 1520, 1544, 1930, 2318, 2440, 3088, 3667, 3860, 4636, 4880, 5795, 7334, 7720, 9272, 11590, 11773, 14668, 15440, 18335, 18544, 23180, 23546, 29336, 36670, 46360, 47092, 58672, 58865, 73340, 92720, 94184, 117730, 146680, 188368, 223687, 235460, 293360, 447374, 470920, 894748, 941840, 1118435, 1789496, 2236870, 3578992, 4473740, 8947480, 17894960]

約数ペア:

[(1, 17894960), (2, 8947480), (4, 4473740), (5, 3578992), (8, 2236870), (10, 1789496), (16, 1118435), (19, 941840), (20, 894748), (38, 470920), (40, 447374), (61, 293360), (76, 235460), (80, 223687), (95, 188368), (122, 146680), (152, 117730), (190, 94184), (193, 92720), (244, 73340), (304, 58865), (305, 58672), (380, 47092), (386, 46360), (488, 36670), (610, 29336), (760, 23546), (772, 23180), (965, 18544), (976, 18335), (1159, 15440), (1220, 14668), (1520, 11773), (1544, 11590), (1930, 9272), (2318, 7720), (2440, 7334), (3088, 5795), (3667, 4880), (3860, 4636)]