19779408

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{12487}}^1$

素因数の和:12512

約数の個数: 60

約数和(自身を含む): 60391968

約数和(自身を除く): 40612560

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 12487, 24974, 37461, 49948, 74922, 99896, 112383, 137357, 149844, 199792, 224766, 274714, 299688, 412071, 449532, 549428, 599376, 824142, 899064, 1098856, 1236213, 1648284, 1798128, 2197712, 2472426, 3296568, 4944852, 6593136, 9889704, 19779408]

約数ペア:

[(1, 19779408), (2, 9889704), (3, 6593136), (4, 4944852), (6, 3296568), (8, 2472426), (9, 2197712), (11, 1798128), (12, 1648284), (16, 1236213), (18, 1098856), (22, 899064), (24, 824142), (33, 599376), (36, 549428), (44, 449532), (48, 412071), (66, 299688), (72, 274714), (88, 224766), (99, 199792), (132, 149844), (144, 137357), (176, 112383), (198, 99896), (264, 74922), (396, 49948), (528, 37461), (792, 24974), (1584, 12487)]