19031320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36126440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 167, 185, 220, 259, 280, 296, 308, 334, 370, 385, 407, 440, 518, 616, 668, 740, 770, 814, 835, 1036, 1169, 1295, 1336, 1480, 1540, 1628, 1670, 1837, 2035, 2072, 2338, 2590, 2849, 3080, 3256, 3340, 3674, 4070, 4676, 5180, 5698, 5845, 6179, 6680, 7348, 8140, 9185, 9352, 10360, 11396, 11690, 12358, 12859, 14245, 14696, 16280, 18370, 22792, 23380, 24716, 25718, 28490, 30895, 36740, 43253, 46760, 49432, 51436, 56980, 61790, 64295, 67969, 73480, 86506, 102872, 113960, 123580, 128590, 135938, 173012, 216265, 247160, 257180, 271876, 339845, 346024, 432530, 475783, 514360, 543752, 679690, 865060, 951566, 1359380, 1730120, 1903132, 2378915, 2718760, 3806264, 4757830, 9515660, 19031320]

約数ペア:

[(1, 19031320), (2, 9515660), (4, 4757830), (5, 3806264), (7, 2718760), (8, 2378915), (10, 1903132), (11, 1730120), (14, 1359380), (20, 951566), (22, 865060), (28, 679690), (35, 543752), (37, 514360), (40, 475783), (44, 432530), (55, 346024), (56, 339845), (70, 271876), (74, 257180), (77, 247160), (88, 216265), (110, 173012), (140, 135938), (148, 128590), (154, 123580), (167, 113960), (185, 102872), (220, 86506), (259, 73480), (280, 67969), (296, 64295), (308, 61790), (334, 56980), (370, 51436), (385, 49432), (407, 46760), (440, 43253), (518, 36740), (616, 30895), (668, 28490), (740, 25718), (770, 24716), (814, 23380), (835, 22792), (1036, 18370), (1169, 16280), (1295, 14696), (1336, 14245), (1480, 12859), (1540, 12358), (1628, 11690), (1670, 11396), (1837, 10360), (2035, 9352), (2072, 9185), (2338, 8140), (2590, 7348), (2849, 6680), (3080, 6179), (3256, 5845), (3340, 5698), (3674, 5180), (4070, 4676)]