18902975840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:929

約数の個数: 192

約数和(自身を含む): 51721939584

約数和(自身を除く): 32818963744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 193, 224, 280, 314, 386, 557, 560, 628, 772, 785, 965, 1099, 1114, 1120, 1256, 1351, 1544, 1570, 1930, 2198, 2228, 2512, 2702, 2785, 3088, 3140, 3860, 3899, 4396, 4456, 5024, 5404, 5495, 5570, 6176, 6280, 6755, 7720, 7798, 8792, 8912, 10808, 10990, 11140, 12560, 13510, 15440, 15596, 17584, 17824, 19495, 21616, 21980, 22280, 25120, 27020, 30301, 30880, 31192, 35168, 38990, 43232, 43960, 44560, 54040, 60602, 62384, 77980, 87449, 87920, 89120, 107501, 108080, 121204, 124768, 151505, 155960, 174898, 175840, 212107, 215002, 216160, 242408, 303010, 311920, 349796, 424214, 430004, 437245, 484816, 537505, 606020, 612143, 623840, 699592, 752507, 848428, 860008, 874490, 969632, 1060535, 1075010, 1212040, 1224286, 1399184, 1505014, 1696856, 1720016, 1748980, 2121070, 2150020, 2424080, 2448572, 2798368, 3010028, 3060715, 3393712, 3440032, 3497960, 3762535, 4242140, 4300040, 4848160, 4897144, 6020056, 6121430, 6787424, 6995920, 7525070, 8484280, 8600080, 9794288, 12040112, 12242860, 13991840, 15050140, 16877657, 16968560, 17200160, 19588576, 24080224, 24485720, 30100280, 33755314, 33937120, 48971440, 60200560, 67510628, 84388285, 97942880, 118143599, 120401120, 135021256, 168776570, 236287198, 270042512, 337553140, 472574396, 540085024, 590717995, 675106280, 945148792, 1181435990, 1350212560, 1890297584, 2362871980, 2700425120, 3780595168, 4725743960, 9451487920, 18902975840]

約数ペア:

[(1, 18902975840), (2, 9451487920), (4, 4725743960), (5, 3780595168), (7, 2700425120), (8, 2362871980), (10, 1890297584), (14, 1350212560), (16, 1181435990), (20, 945148792), (28, 675106280), (32, 590717995), (35, 540085024), (40, 472574396), (56, 337553140), (70, 270042512), (80, 236287198), (112, 168776570), (140, 135021256), (157, 120401120), (160, 118143599), (193, 97942880), (224, 84388285), (280, 67510628), (314, 60200560), (386, 48971440), (557, 33937120), (560, 33755314), (628, 30100280), (772, 24485720), (785, 24080224), (965, 19588576), (1099, 17200160), (1114, 16968560), (1120, 16877657), (1256, 15050140), (1351, 13991840), (1544, 12242860), (1570, 12040112), (1930, 9794288), (2198, 8600080), (2228, 8484280), (2512, 7525070), (2702, 6995920), (2785, 6787424), (3088, 6121430), (3140, 6020056), (3860, 4897144), (3899, 4848160), (4396, 4300040), (4456, 4242140), (5024, 3762535), (5404, 3497960), (5495, 3440032), (5570, 3393712), (6176, 3060715), (6280, 3010028), (6755, 2798368), (7720, 2448572), (7798, 2424080), (8792, 2150020), (8912, 2121070), (10808, 1748980), (10990, 1720016), (11140, 1696856), (12560, 1505014), (13510, 1399184), (15440, 1224286), (15596, 1212040), (17584, 1075010), (17824, 1060535), (19495, 969632), (21616, 874490), (21980, 860008), (22280, 848428), (25120, 752507), (27020, 699592), (30301, 623840), (30880, 612143), (31192, 606020), (35168, 537505), (38990, 484816), (43232, 437245), (43960, 430004), (44560, 424214), (54040, 349796), (60602, 311920), (62384, 303010), (77980, 242408), (87449, 216160), (87920, 215002), (89120, 212107), (107501, 175840), (108080, 174898), (121204, 155960), (124768, 151505)]