19689824

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 49496832

約数和(自身を除く): 29807008

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 77, 88, 112, 122, 131, 154, 176, 224, 244, 262, 308, 352, 427, 488, 524, 616, 671, 854, 917, 976, 1048, 1232, 1342, 1441, 1708, 1834, 1952, 2096, 2464, 2684, 2882, 3416, 3668, 4192, 4697, 5368, 5764, 6832, 7336, 7991, 9394, 10087, 10736, 11528, 13664, 14672, 15982, 18788, 20174, 21472, 23056, 29344, 31964, 37576, 40348, 46112, 55937, 63928, 75152, 80696, 87901, 111874, 127856, 150304, 161392, 175802, 223748, 255712, 322784, 351604, 447496, 615307, 703208, 894992, 1230614, 1406416, 1789984, 2461228, 2812832, 4922456, 9844912, 19689824]

約数ペア:

[(1, 19689824), (2, 9844912), (4, 4922456), (7, 2812832), (8, 2461228), (11, 1789984), (14, 1406416), (16, 1230614), (22, 894992), (28, 703208), (32, 615307), (44, 447496), (56, 351604), (61, 322784), (77, 255712), (88, 223748), (112, 175802), (122, 161392), (131, 150304), (154, 127856), (176, 111874), (224, 87901), (244, 80696), (262, 75152), (308, 63928), (352, 55937), (427, 46112), (488, 40348), (524, 37576), (616, 31964), (671, 29344), (854, 23056), (917, 21472), (976, 20174), (1048, 18788), (1232, 15982), (1342, 14672), (1441, 13664), (1708, 11528), (1834, 10736), (1952, 10087), (2096, 9394), (2464, 7991), (2684, 7336), (2882, 6832), (3416, 5764), (3668, 5368), (4192, 4697)]