18938080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 52629696

約数和(自身を除く): 33691616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 457, 518, 560, 592, 740, 914, 1036, 1120, 1184, 1295, 1480, 1828, 2072, 2285, 2590, 2960, 3199, 3656, 4144, 4570, 5180, 5920, 6398, 7312, 8288, 9140, 10360, 12796, 14624, 15995, 16909, 18280, 20720, 25592, 31990, 33818, 36560, 41440, 51184, 63980, 67636, 73120, 84545, 102368, 118363, 127960, 135272, 169090, 236726, 255920, 270544, 338180, 473452, 511840, 541088, 591815, 676360, 946904, 1183630, 1352720, 1893808, 2367260, 2705440, 3787616, 4734520, 9469040, 18938080]

約数ペア:

[(1, 18938080), (2, 9469040), (4, 4734520), (5, 3787616), (7, 2705440), (8, 2367260), (10, 1893808), (14, 1352720), (16, 1183630), (20, 946904), (28, 676360), (32, 591815), (35, 541088), (37, 511840), (40, 473452), (56, 338180), (70, 270544), (74, 255920), (80, 236726), (112, 169090), (140, 135272), (148, 127960), (160, 118363), (185, 102368), (224, 84545), (259, 73120), (280, 67636), (296, 63980), (370, 51184), (457, 41440), (518, 36560), (560, 33818), (592, 31990), (740, 25592), (914, 20720), (1036, 18280), (1120, 16909), (1184, 15995), (1295, 14624), (1480, 12796), (1828, 10360), (2072, 9140), (2285, 8288), (2590, 7312), (2960, 6398), (3199, 5920), (3656, 5180), (4144, 4570)]