2019905808

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{21503}}^1$

素因数の和:21636

約数の個数: 80

約数和(自身を含む): 5546311680

約数和(自身を除く): 3526405872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 103, 114, 152, 206, 228, 304, 309, 412, 456, 618, 824, 912, 1236, 1648, 1957, 2472, 3914, 4944, 5871, 7828, 11742, 15656, 21503, 23484, 31312, 43006, 46968, 64509, 86012, 93936, 129018, 172024, 258036, 344048, 408557, 516072, 817114, 1032144, 1225671, 1634228, 2214809, 2451342, 3268456, 4429618, 4902684, 6536912, 6644427, 8859236, 9805368, 13288854, 17718472, 19610736, 26577708, 35436944, 42081371, 53155416, 84162742, 106310832, 126244113, 168325484, 252488226, 336650968, 504976452, 673301936, 1009952904, 2019905808]

約数ペア:

[(1, 2019905808), (2, 1009952904), (3, 673301936), (4, 504976452), (6, 336650968), (8, 252488226), (12, 168325484), (16, 126244113), (19, 106310832), (24, 84162742), (38, 53155416), (48, 42081371), (57, 35436944), (76, 26577708), (103, 19610736), (114, 17718472), (152, 13288854), (206, 9805368), (228, 8859236), (304, 6644427), (309, 6536912), (412, 4902684), (456, 4429618), (618, 3268456), (824, 2451342), (912, 2214809), (1236, 1634228), (1648, 1225671), (1957, 1032144), (2472, 817114), (3914, 516072), (4944, 408557), (5871, 344048), (7828, 258036), (11742, 172024), (15656, 129018), (21503, 93936), (23484, 86012), (31312, 64509), (43006, 46968)]