18291680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:592

約数の個数: 96

約数和(自身を含む): 49714560

約数和(自身を除く): 31422880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 547, 608, 760, 836, 880, 1045, 1094, 1520, 1672, 1760, 2090, 2188, 2735, 3040, 3344, 4180, 4376, 5470, 6017, 6688, 8360, 8752, 10393, 10940, 12034, 16720, 17504, 20786, 21880, 24068, 30085, 33440, 41572, 43760, 48136, 51965, 60170, 83144, 87520, 96272, 103930, 114323, 120340, 166288, 192544, 207860, 228646, 240680, 332576, 415720, 457292, 481360, 571615, 831440, 914584, 962720, 1143230, 1662880, 1829168, 2286460, 3658336, 4572920, 9145840, 18291680]

約数ペア:

[(1, 18291680), (2, 9145840), (4, 4572920), (5, 3658336), (8, 2286460), (10, 1829168), (11, 1662880), (16, 1143230), (19, 962720), (20, 914584), (22, 831440), (32, 571615), (38, 481360), (40, 457292), (44, 415720), (55, 332576), (76, 240680), (80, 228646), (88, 207860), (95, 192544), (110, 166288), (152, 120340), (160, 114323), (176, 103930), (190, 96272), (209, 87520), (220, 83144), (304, 60170), (352, 51965), (380, 48136), (418, 43760), (440, 41572), (547, 33440), (608, 30085), (760, 24068), (836, 21880), (880, 20786), (1045, 17504), (1094, 16720), (1520, 12034), (1672, 10940), (1760, 10393), (2090, 8752), (2188, 8360), (2735, 6688), (3040, 6017), (3344, 5470), (4180, 4376)]